Search for a doctor

Andrew L. Folpe, M.D.

  1. Pathologist
Request an Appointment

Publications

  1. Dehner CA, Warmke LM, Umphress B, Malik F, Cloutier JM, Dermawan JK, Fritz M, Que SKT, Ameline B, Fritchie KJ, Kerr DA, Linos K, Baumhoer D, Billings SD, Folpe AL. Superficial Neurocristic FET::ETS Fusion Tumor: Expanding the Clinicopathological and Molecular Genetic Spectrum of a Recently Described Entity. Mod Pathol. 2024 Nov 8; 100656 Epub 2024 Nov 08
    View PubMed
  2. Atiq MA, Balan J, Blackburn PR, Gross JM, Voss JS, Jin L, Fadra N, Davila JI, Pitel BA, Siqueira Parrilha Terra SB, Minn KT, Jackson RA, Hofich CD, Willkomm KS, Peterson BJ, Clausen SN, Rumilla KM, Gupta S, Lo YC, Ida CM, Molligan JF, Thangaiah JJ, Petersen MJ, Sukov WR, Guo R, Giannini C, Schoolmeester JK 2nd, Fritchie K, Inwards CY, Folpe AL, Oliveira AM, Torres-Mora J, Kipp BR, Halling KC. SARCP, a Clinical Next-Generation Sequencing Assay for the Detection of Gene Fusions in Sarcomas: A Description of the First 652 Cases. J Mol Diagn. 2024 Nov 7 Epub 2024 Nov 07
    View PubMed
  3. Dehner CA, Buehler D, Hofich C, Halling KC, Folpe AL. Novel HMGA2::COL14A1 Fusion Identified in Xanthogranulomatous Epithelial Tumor/Keratin-Positive Giant Cell Tumor. Genes Chromosomes Cancer. 2024 Nov; 63 (11):e70010
    View PubMed
  4. Agrawal S, Ameline B, Folpe AL, Azzato E, Astbury C, Mentzel T, Knapp C, Rutten A, Creytens D, Sukov W, Baumhoer D, Billings SD, Fritchie KJ. ALK-rearranged, CD34-positive spindle cell neoplasms resembling dermatofibrosarcoma protuberans: a study of seven cases. Histopathology. 2024 Oct; 85 (4):649-659 Epub 2024 June 13
    View PubMed
  5. Whaley RD, Agaimy A, Bridge JA, Stoehr R, Din NU, Gagan J, Rampisela D, Folpe AL, Bishop JA. Xanthogranulomatous epithelial tumors/keratin-positive giant cell-rich tumors involving the head and neck: report of seven cases and review of the literature. Virchows Arch. 2024 Oct; 485 (4):605-613 Epub 2024 Aug 20
    View PubMed
  6. Broski SM, Knight JA, Larsen BT, Folpe AL, Wenger DE. Imaging features of perinephric myxoid pseudotumors of fat. Abdom Radiol (NY). 2024 Sep; 49 (9):3107-3116 Epub 2024 Apr 13
    View PubMed
  7. Whaley RD, Folpe AL, Erickson LA. Spindle Epithelial Tumor with Thymus-Like Elements (SETTLE). Endocr Pathol. 2024 Sep; 35 (3):272-273 Epub 2024 July 06
    View PubMed
  8. Dehner CA, Pearson H, Almohsen SS, Lo YC, Thangaiah JJ, Torres-Mora J, Guo RR, Baker JC, Folpe AL, Alomari AK, Dickson BC, Billings SD, Michal M, Demicco EG, Fritchie KJ, Chrisinger JSA. Acral Fibrochondromyxoid Tumor: A Clinicopathologic and Molecular Genetic Study of 37 Cases. Mod Pathol. 2024 Aug 23; 37(12):100599. [Epub ahead of print]
    View PubMed
  9. Kao EY, Ardic F, Fadra N, Hohenstein JD, Mopuri R, Wenger DE, Streich L, Hines LM, Folpe AL. Chondroid Synoviocytic Neoplasm: A Clinicopathologic, Immunohistochemical, and Molecular Genetic Study of a Distinctive Tumor of Synoviocytes. Mod Pathol. 2024 Aug 23; 37 (11):100598 [Epub ahead of print]
    View PubMed
  10. Folpe AL, Tetzlaff MT, Billings SD, Torres-Mora J, Borowsky AD, Santiago TC, Ameline B, Baumhoer D. Superficial Neurocristic EWSR1::FLI1 Fusion Tumor: A Distinctive, Clinically Indolent, S100 Protein/SOX10-Positive Neoplasm. Mod Pathol. 2024 Aug; 37 (8):100537 Epub 2024 June 10
    View PubMed
  11. Gandhi JS, Schneider T, Thangaiah JJ, Lauer SR, Gjeorgjievski SG, Baumhoer D, Folpe AL, Bahrami A. Myoepithelial Tumors of Bone With EWSR1::PBX3 Fusion: A Spectrum From Benign to Malignant. Mod Pathol. 2024 Jul; 37(7):100514. Epub 2024 May 17.
    View PubMed
  12. Logan SJ, Dehner CA, Alruwaii FI, Din NU, Olson DR, Fritchie KJ, Charville GW, Blessing MM, Folpe AL. Myoepithelial tumors of soft tissue and bone in children and young adults: A clinicopathologic study of 40 cases occurring in patients View PubMed
  13. Folpe AL. Vascular tumors of intermediate malignancy: An update. Hum Pathol. 2024 May; 147:114-128 Epub 2024 Feb 13
    View PubMed
  14. Kerper AL, Larsen BT, Folpe AL, Roden AC, Torres-Mora J, Lo YC, Aubry MC, Boland JM. Primary Pulmonary Myxoid Sarcoma and Thoracic Angiomatoid Fibrous Histiocytoma: Two Sides of the Same Coin? Am J Surg Pathol. 2024 May 1; 48 (5):562-569 Epub 2024 Feb 26
    View PubMed
  15. Short EL, Logan SJ, Thangaiah JJ, Folpe AL. Malignant glomus tumor arising in association with a fumarate hydratase-deficient leiomyoma: An unusual collision tumor. J Cutan Pathol. 2024 Apr; 51(4):272-275. Epub 2023 Dec 23.
    View PubMed
  16. Naso JR, Wang D, Romero AO, Leclair T, Smit P, Boland JM, Folpe AL, Bois MC. Pulmonary gangliocytic paraganglioma: An under-recognized mimic of carcinoid tumor. Hum Pathol. 2024 Apr; 146:23-27 Epub 2024 Mar 03
    View PubMed
  17. Folpe AL. Xanthogranulomatous Epithelial Tumors and Keratin-Positive Giant Cell Rich Tumors of Soft Tissue and Bone: Two Sides of the Same Coin. Surg Pathol Clin. 2024 Mar; 17 (1):57-64 Epub 2023 Aug 08
    View PubMed
  18. Dehner CA, Torres-Mora J, Gupta S, Kipp BR, Halling KC, Chen S, Warmke LM, Michal M, Alani A, Yu W, Kovacs K, Obeidin F, Iwenofu OH, Satturwar S, Meis JM, Folpe AL. Sarcomas Harboring EWSR1::PATZ1 Fusions: A Clinicopathologic Study of 17 Cases. Mod Pathol. 2024 Feb; 37 (2):100400 Epub 2023 Dec 01
    View PubMed
  19. Dehner CA, Lo YC, Chopra S, Demicco EG, He K, Hirbe AC, Folpe AL, Chrisinger JSA. CSF1 expression in xanthogranulomatous epithelial tumor/keratin-positive giant cell-rich tumor. Hum Pathol. 2024 Jan; 143:1-4 Epub 2023 Nov 20
    View PubMed
  20. Vizcaino MA, Folpe AL, Huffman H, Panchal RR, Nielsen GP, Kipp BR, Turakulov R, Aldape K, Giannini C. Pseudoendocrine sarcoma: clinicopathologic, molecular, and epigenetic features of one case. Virchows Arch. 2023 Dec; 483 (6):899-904 Epub 2023 Nov 13
    View PubMed
  21. Koshyk O, Dehner CA, van den Hout MFCM, Bempt IV, Sciot R, Huang HY, Agaimy A, Din NU, Klubickova N, Mosaieby E, Skalova A, Michalova K, Schoffski P, Oliveira AM, Halling KC, Gupta S, Gross JM, Nin JWM, Michal M, Folpe AL, Kosemehmetoglu K, Torres-Mora J, Michal M. EWSR1::POU2AF3(COLCA2) Sarcoma: An Aggressive, Polyphenotypic Sarcoma With a Head and Neck Predilection. Mod Pathol. 2023 Dec; 36 (12):100337 Epub 2023 Sept 22
    View PubMed
  22. Arispe Angulo KR, Logan S, Bahrami A, John I, Billings SD, Agrawal S, Bena J, Mesko N, Folpe AL, Fritchie KJ. Myxofibrosarcoma in adolescents and young adults: a clinicopathologic study of 17 cases. Hum Pathol. 2023 Dec; 142:90-95 Epub 2023 Sept 22
    View PubMed
  23. Lee JC, Hsieh TH, Kao YC, Tsai CF, Huang HY, Shih CY, Song HL, Oda Y, Chih-Hsueh Chen P, Pan CC, Sittampalam K, Petersson F, Konishi E, Chiu WY, Chen CF, Carpenter TO, Lu TP, Chang CD, Huang SC, Folpe AL. Klotho Overexpression Is Frequently Associated With Upstream Rearrangements in Fusion-Negative Phosphaturic Mesenchymal Tumors of Bone and Sinonasal Tract. Mod Pathol. 2023 Dec; 36 (12):100336 Epub 2023 Sept 22
    View PubMed
  24. Dehner CA, Broski SM, Meis JM, Murugan P, Chrisinger JSA, Sosa C, Petersen M, Halling KC, Gupta S, Folpe AL. Fusion-driven Spindle Cell Rhabdomyosarcomas of Bone and Soft Tissue: A Clinicopathologic and Molecular Genetic Study of 25 Cases. Mod Pathol. 2023 Oct; 36 (10):100271 Epub 2023 July 07
    View PubMed
  25. Gross JM, Perret R, Coindre JM, Le Loarer F, Michal M, Michal M, Miettinen M, McCabe CE, Nair AA, Swanson AA, Thangaiah JJ, Torres-Mora J, Bonadio A, Voltaggio L, Epstein JI, Gupta S, Folpe AL, Schoolmeester JK. Lipoblastoma-Like Tumor and Fibrosarcoma-Like Lipomatous Neoplasm Represent the Same Entity: A Clinicopathologic and Molecular Genetic Study of 23 Cases Occurring in Both Men and Women at Diverse Locations. Mod Pathol. 2023 Sep; 36 (9):100246 Epub 2023 June 10
    View PubMed
  26. Neth BJ, Youshanlouei HR, Folpe AL, Clarke MJ, Sener U. Glomus Coccygeum Masquerading as Chordoma. Can J Neurol Sci. 2023 Aug 14; 1-2 [Epub ahead of print]
    View PubMed
  27. Fritchie KJ, Dermawan JK, Astbury C, Sharma A, Bakhshwin A, Fuller L, Agrawal S, Wieland CN, Greipp PT, Azzato EM, Folpe AL, Billings SD. Novel NONO::TFE3 fusion and ALK co-expression identified in a subset of cutaneous microcystic/reticular schwannoma. Virchows Arch. 2023 Aug; 483 (2):237-243 Epub 2023 July 19
    View PubMed
  28. Fischer GM, Gliem TJ, Greipp PT, Rosenberg AE, Folpe AL, Hornick JL. Anaplastic Kaposi Sarcoma: A Clinicopathologic and Molecular Genetic Analysis. Mod Pathol. 2023 Aug; 36 (8):100191 Epub 2023 Apr 18
    View PubMed
  29. Ulici V, Hornick JL, Davis JL, Mehrotra S, Meis JM, Halling KC, Fletcher CDM, Kao E, Folpe AL. Extraenteric Malignant Gastrointestinal Neuroectodermal Tumor-A Clinicopathologic and Molecular Genetic Study of 11 Cases. Mod Pathol. 2023 Jul; 36 (7):100160 Epub 2023 Mar 17
    View PubMed
  30. Jawaid T, Swanson AA, Bois MC, Folpe AL, Rivera M, Hartley CP, Sturgis CD. Lymphangioleiomyomatosis in lymph node cytology: Another "Floating Island" to visit. Diagn Cytopathol. 2023 Jun; 51 (6):E204-E208 Epub 2023 Mar 28
    View PubMed
  31. Dehner CA, Geiersbach K, Rowsey R, Murugan P, Broski SM, Meis JM, Rosenberg AE, Folpe AL. Rhabdomyosarcoma Arising in Inflammatory Rhabdomyoblastic Tumor: A Genetically Distinctive Subtype of Rhabdomyosarcoma. Mod Pathol. 2023 Jun; 36 (6):100131 Epub 2023 Feb 12
    View PubMed
  32. Houdek MT, Mallett KE, Heidenreich MJ, Ahmed SK, Wenger DE, Smith JH, Siontis BL, Robinson SI, Folpe AL, Petersen IA, Rose PS. Lack of radiosensitivity predicts poor disease specific survival in myxoid liposarcoma. J Surg Oncol. 2023 Apr; 127 (5):848-854 Epub 2022 Dec 27
    View PubMed
  33. Zironda A, Grotz TE, Folpe AL, Thiels CA. Gastrointestinal Glomus Tumors: A Single Institution, 20-Year Retrospective Study. J Surg Res. 2023 Mar; 283:982-991 Epub 2022 Dec 10
    View PubMed
  34. Short EL, Logan SJ, Thangaiah JJ, Folpe AL. Metastatic melanoma involving a genetically confirmed angiofibroma of soft tissue: A previously unreported type of tumor-to-tumor metastasis. J Cutan Pathol. 2023 Mar; 50(3):220-222. Epub 2022 Dec 14.
    View PubMed
  35. Benson JC, Marais MD, Flanigan PM, Bydon M, Giannini C, Spinner RJ, Folpe AL. Malignant Melanotic Nerve Sheath Tumor. AJNR Am J Neuroradiol. 2022 Dec; 43 (12):1696-1699 Epub 2022 Oct 27
    View PubMed
  36. Gjorgova Gjeorgjievski S, Thway K, Dermawan JK, John I, Fisher C, Rubin BP, Jenkins S, Thangaiah JJ, Folpe AL, Fritchie KJ. Pleomorphic Liposarcoma: A Series of 120 Cases With Emphasis on Morphologic Variants. Am J Surg Pathol. 2022 Dec 1; 46 (12):1700-1705 Epub 2022 Aug 26
    View PubMed
  37. Thangaiah JJ, Dashti NK, Agaimy A, Fritchie K, Folpe AL. Plexiform fibrohistiocytic tumor: a clinicopathological and immunohistochemical study of 39 tumors, with evidence for a CSF1-producing "null cell" population. Virchows Arch. 2022 Nov; 481 (5):739-750 Epub 2022 Sept 07
    View PubMed
  38. Gupta S, Folpe AL, Torres-Mora J, Reuter VE, Zuckerman JE, Falk N, Stanton ML, Muthusamy S, Smith SC, Sharma V, Sethi S, Herrera-Hernandez L, Jimenez RE, Cheville JC. Immunohistochemical expression of renin and GATA3 help distinguish juxtaglomerular cell tumors from renal glomus tumors. Hum Pathol. 2022 Oct; 128:110-123 Epub 2022 Aug 01
    View PubMed
  39. Gonzalez TV, Sae-Kho TM, Robinson SI, Hieken TJ, Folpe AL, Broski SM, Degnim AC, Glazebrook KN. Radiation-associated angiosarcoma of the breast with initial presentation as non-mass enhancement on MRI. Radiol Case Rep. 2022 Oct; 17(10):3624-3629. Epub 2022 Jul 29.
    View PubMed
  40. Thangaiah JJ, Westling BE, Roden AC, Giannini C, Tetzlaff M, Cho WC, Folpe AL. Loss of dimethylated H3K27 (H3K27me2) expression is not a specific marker of malignant peripheral nerve sheath tumor (MPNST): An immunohistochemical study of 137 cases, with emphasis on MPNST and melanocytic tumors. Ann Diagn Pathol. 2022 Aug; 59:151967. Epub 2022 May 06.
    View PubMed
  41. Puls F, Carter JM, Pillay N, McCulloch TA, Sumathi VP, Rissler P, Fagman H, Hansson M, Amary F, Tirabosco R, Magnusson L, Nilsson J, Flanagan AM, Folpe AL, Mertens F. Overlapping morphological, immunohistochemical and genetic features of superficial CD34-positive fibroblastic tumor and PRDM10-rearranged soft tissue tumor. Mod Pathol. 2022 Jun; 35 (6):767-776 Epub 2021 Dec 30
    View PubMed
  42. Gjorgova Gjeorgjievski S, Fritchie K, Thangaiah JJ, Folpe AL, Din NU. Head and Neck Low-Grade Fibromyxoid Sarcoma: A Clinicopathologic Study of 15 Cases. Head Neck Pathol. 2022 Jun; 16 (2):434-443 Epub 2021 Sept 24
    View PubMed
  43. Agaimy A, Meidenbauer N, Sukov WR, Stoehr R, Vieth M, Roemer F, Grutzmann R, Folpe AL. Rapidly fatal SMARCA4-deficient undifferentiated sarcoma originating from hybrid hemosiderotic fibrolipomatous tumor/pleomorphic hyalinizing angiectatic tumor of the foot. Virchows Arch. 2022 May; 480 (5):1115-1120 Epub 2021 Aug 14
    View PubMed
  44. Molligan JF, Powell GM, Wenger DE, Torres-Mora J, Folpe AL. Sternoclavicular joint pseudotumor: a clinicopathologic and radiologic study of 25 cases occurring in patients without prior neck dissection. Hum Pathol. 2022 Apr; 122:32-39 Epub 2021 Dec 28
    View PubMed
  45. Allen-Rhoades W, Al-Ibraheemi A, Kohorst M, Tollefson M, Hull N, Polites S, Folpe AL. Cellular variant of kaposiform lymphangiomatosis: a report of three cases, expanding the morphologic and molecular genetic spectrum of this rare entity. Hum Pathol. 2022 Apr; 122:72-81 Epub 2022 Feb 21
    View PubMed
  46. Yuen J, Folpe AL, Lehman VT. Spinal Aneurysmal Bone Cyst Causing Spinal Cord Compression. Mayo Clin Proc. 2022 Feb; 97 (2):417-418
    View PubMed
  47. Folpe AL. 'I Can't Keep Up!': an update on advances in soft tissue pathology occurring after the publication of the 2020 World Health Organization classification of soft tissue and bone tumours. Histopathology. 2022 Jan; 80 (1):54-75
    View PubMed
  48. Dermawan JK, Azzato EM, Jebastin Thangaiah J, Gjorgova-Gjeorgievski S, Rubin BP, Folpe AL, Agaimy A, Fritchie KJ. PRRX1-NCOA1-rearranged fibroblastic tumour: a clinicopathological, immunohistochemical and molecular genetic study of six cases of a potentially under-recognised, distinctive mesenchymal tumour. Histopathology. 2021 Dec; 79 (6):997-1003 Epub 2021 Sept 03
    View PubMed
  49. Creytens D, Folpe AL, Koelsche C, Mentzel T, Ferdinande L, van Gorp JM, Van der Linden M, Raman L, Menten B, Fritchie K, von Deimling A, Van Dorpe J, Flucke U. Myxoid pleomorphic liposarcoma-a clinicopathologic, immunohistochemical, molecular genetic and epigenetic study of 12 cases, suggesting a possible relationship with conventional pleomorphic liposarcoma. Mod Pathol. 2021 Nov; 34 (11):2043-2049 Epub 2021 June 24
    View PubMed
  50. Nisar US, Erickson LA, Folpe AL, Hartley CP, Littrell LA, Adamo DA, Sturgis CD. Eccrine angiomatous hamartoma: First case in the cytology literature. Ann Diagn Pathol. 2021 Oct; 54:151796 Epub 2021 July 17
    View PubMed
  51. Schoolmeester JK, Folpe AL, Nair AA, Halling K, Sutton BC, Landers E, Karnezis AN, Dickson BC, Nucci MR, Kolin DL. EWSR1-WT1 gene fusions in neoplasms other than desmoplastic small round cell tumor: a report of three unusual tumors involving the female genital tract and review of the literature. Mod Pathol. 2021 Oct; 34 (10):1912-1920 Epub 2021 June 07
    View PubMed
  52. Salerno KE, Alektiar KM, Baldini EH, Bedi M, Bishop AJ, Bradfield L, Chung P, DeLaney TF, Folpe A, Kane JM, Li XA, Petersen I, Powell J, Stolten M, Thorpe S, Trent JC, Voermans M, Guadagnolo BA. Radiation Therapy for Treatment of Soft Tissue Sarcoma in Adults: Executive Summary of an ASTRO Clinical Practice Guideline. Pract Radiat Oncol. 2021 Sep-Oct; 11 (5):339-351 Epub 2021 July 26
    View PubMed
  53. Thangaiah JJ, Koepplin JW, Folpe AL. RNAscope CSF1 chromogenic in situ hybridization: a potentially useful tool in the differential diagnosis of tenosynovial giant cell tumors. Hum Pathol. 2021 Sep; 115:1-9 Epub 2021 May 28
    View PubMed
  54. Agaimy A, Michal M, Stoehr R, Ferrazzi F, Fabian P, Michal M, Franchi A, Haller F, Folpe AL, Kosemehmetoglu K. Recurrent novel HMGA2-NCOR2 fusions characterize a subset of keratin-positive giant cell-rich soft tissue tumors. Mod Pathol. 2021 Aug; 34 (8):1507-1520 Epub 2021 Mar 19
    View PubMed
  55. Van Treeck BJ, Thangaiah JJ, Torres-Mora J, Stevens TM, Rothermundt C, Fassan M, Loupakis F, Diebold J, Hornick JL, Halling KC, Folpe AL. NUTM1-rearranged colorectal sarcoma: a clinicopathologically and genetically distinctive malignant neoplasm with a poor prognosis. Mod Pathol. 2021 Aug; 34 (8):1547-1557 Epub 2021 Mar 13
    View PubMed
  56. Kumar A, Wilke BK, Folpe AL, Murray PM. Glomangiomatosis of the Upper Extremity. J Hand Surg Am. 2021 Aug; 46 (8):716.e1-716.e3 Epub 2020 Dec 17
    View PubMed
  57. Colazo JM, DeCorte JA, Gillaspie EA, Folpe AL, Dahir KM. Hiding in plain sight: Gene panel and genetic markers reveal 26-year undiagnosed tumor-induced osteomalacia of the rib concurrently misdiagnosed as X-linked hypophosphatemia. Bone Rep. 2021 Jun; 14:100744 Epub 2020 Dec 24
    View PubMed
  58. Cloutier JM, Charville GW, Mertens F, Sukov W, Fritchie K, Perry KD, Edgar M, Rowsey RA, Folpe AL. "Inflammatory Leiomyosarcoma" and "Histiocyte-rich Rhabdomyoblastic Tumor": a clinicopathological, immunohistochemical and genetic study of 13 cases, with a proposal for reclassification as "Inflammatory Rhabdomyoblastic Tumor". Mod Pathol. 2021 Apr; 34 (4):758-769 Epub 2020 Oct 22
    View PubMed
  59. Gjorgova-Gjeorgjievski S, Fritchie K, Folpe AL. CD10 (neprilysin) expression: a potential adjunct in the distinction of hibernoma from morphologic mimics. Hum Pathol. 2021 Apr; 110:12-19 Epub 2021 Jan 03
    View PubMed
  60. Fritchie K, Wang L, Yin Z, Nakitandwe J, Hedges D, Horvai A, Mora JT, Folpe AL, Bahrami A. Lipoblastomas presenting in older children and adults: analysis of 22 cases with identification of novel PLAG1 fusion partners. Mod Pathol. 2021 Mar; 34 (3):584-591 Epub 2020 Oct 23
    View PubMed
  61. Howitt BE, Folpe AL. Update on SWI/SNF-related gynecologic mesenchymal neoplasms: SMARCA4-deficient uterine sarcoma and SMARCB1-deficient vulvar neoplasms. Genes Chromosomes Cancer. 2021 Mar; 60 (3):190-209 Epub 2020 Dec 14
    View PubMed
  62. Shah K, Folpe AL, Miller M, Morgan JA, Raut CP, Doyle LA. Primary intra-abdominal melanoma arising in association with extracutaneous blue naevus: a report of two cases. Histopathology. 2021 Jan; 78 (2):281-289 Epub 2020 Oct 16
    View PubMed
  63. Atiq MA, Davis JL, Hornick JL, Dickson BC, Fletcher CDM, Fletcher JA, Folpe AL, Marino-Enriquez A. Mesenchymal tumors of the gastrointestinal tract with NTRK rearrangements: a clinicopathological, immunophenotypic, and molecular study of eight cases, emphasizing their distinction from gastrointestinal stromal tumor (GIST). Mod Pathol. 2021 Jan; 34 (1):95-103 Epub 2020 July 15
    View PubMed
  64. Jack MM, Smith BW, Klein CJ, Kourelis T, Folpe AL, Spinner RJ, McPhail ED. Amyloid light-chain deposition in a schwannoma Interdisciplinary Neurosurgery: Advanced Techniques and Case Management. 2021; 26:101301
  65. Wellings EP, Tibbo ME, Rose PS, Folpe AL, Houdek MT. Treatment outcome of superficial leiomyosarcoma. J Surg Oncol. 2021 Jan; 123 (1):127-132 Epub 2020 Oct 15
    View PubMed
  66. Fritchie K, Ghosh T, Graham RP, Roden AC, Schembri-Wismayer D, Folpe A, Rivera M. Well-Differentiated/Dedifferentiated Liposarcoma Arising in the Upper Aerodigestive Tract: 8 Cases Mimicking Non-adipocytic Lesions. Head Neck Pathol. 2020 Dec; 14 (4):974-981 Epub 2020 May 14
    View PubMed
  67. Fritchie KJ, Torres-Mora J, Inwards C, Thway K, Vaiyapuri S, Jackson R, Minn K, Halling K, Arndt C, Houdek MT, Wenger DE, Curry R, Thirumala S, Fisher C, Davila J, Folpe AL. Xanthogranulomatous epithelial tumor: report of 6 cases of a novel, potentially deceptive lesion with a predilection for young women. Mod Pathol. 2020 Oct; 33 (10):1889-1895 Epub 2020 May 15
    View PubMed
  68. Gross JM, Broski SM, Howe BM, Folpe AL. Paraspinal pseudoneoplasms: a series of 58 consultation cases emphasizing the importance of pathology-radiology correlation. Hum Pathol. 2020 Sep; 103:14-24 Epub 2020 July 15
    View PubMed
  69. Xu B, Chang K, Folpe AL, Kao YC, Wey SL, Huang HY, Gill AJ, Rooper L, Bishop JA, Dickson BC, Lee JC, Antonescu CR. Head and Neck Mesenchymal Neoplasms With GLI1 Gene Alterations: A Pathologic Entity With Distinct Histologic Features and Potential for Distant Metastasis. Am J Surg Pathol. 2020 Jun; 44 (6):729-737
    View PubMed
  70. Jahanseir K, Folpe AL, Graham RP, Giannini C, Robinson SI, Sukov W, Fritchie K. Ewing Sarcoma in Older Adults: A Clinicopathologic Study of 50 Cases Occurring in Patients Aged >/=40 Years, With Emphasis on Histologic Mimics. Int J Surg Pathol. 2020 Jun; 28 (4):352-360 Epub 2019 Dec 17
    View PubMed
  71. Olson NJ, Fritchie KJ, Torres-Mora J, Folpe AL. MyoD1 expression in fibroepithelial stromal polyps. Hum Pathol. 2020 May; 99:75-79 Epub 2020 Mar 23
    View PubMed
  72. Lee CH, Su SY, Sittampalam K, Chen PC, Petersson F, Kao YC, Carpenter TO, Hsieh TH, Konishi E, Tsai JW, Billings SD, Folpe AL, Lee JC. Frequent overexpression of klotho in fusion-negative phosphaturic mesenchymal tumors with tumorigenic implications. Mod Pathol. 2020 May; 33 (5):858-870 Epub 2019 Dec 02
    View PubMed
  73. Blackburn PR, Milosevic D, Marek T, Folpe AL, Howe BM, Spinner RJ, Carter JM. PIK3CA mutations in lipomatosis of nerve with or without nerve territory overgrowth. Mod Pathol. 2020 Mar; 33 (3):420-430 Epub 2019 Sept 03
    View PubMed
  74. Folpe AL, Schoen M, Kang S. Juvenile Hyaline Fibromatosis. Mayo Clin Proc. 2020 Feb; 95 (2):328-329
    View PubMed
  75. Martinez AP, Zapata M, North PE, Folpe AL, Weiss SW. Lymphatic-type "Angiosarcoma" With Prominent Lymphocytic Infiltrate. Am J Surg Pathol. 2020 Feb; 44 (2):271-279
    View PubMed
  76. Broski SM, Littrell LA, Howe BM, Folpe AL, Wenger DE. Extraneural perineurioma: CT and MRI imaging characteristics. Skeletal Radiol. 2020 Jan; 49 (1):109-114 Epub 2019 July 02
    View PubMed
  77. Said S, Graham RP, Wu TT, Yasir S, Zhang L, Folpe AL. Colonic Angiosarcoma Arising in Association with Amyloid Deposits. Case Rep Gastrointest Med. 2020; 2020:3780763 Epub 2020 May 16
    View PubMed
  78. Folpe AL. "Hey! Whatever happened to hemangiopericytoma and fibrosarcoma?" An update on selected conceptual advances in soft tissue pathology which have occurred over the past 50 years. Hum Pathol. 2020 Jan; 95:113-136 Epub 2019 Oct 24
    View PubMed
  79. Thway K, Folpe AL. Update on selected advances in the immunohistochemical and molecular genetic analysis of soft tissue tumors. Virchows Arch. 2020 Jan; 476 (1):3-15 Epub 2019 Nov 07
    View PubMed
  80. Chatzopoulos K, Fritchie KJ, Aubry MC, Carney JA, Folpe AL, Boland JM. Loss of succinate dehydrogenase B immunohistochemical expression distinguishes pulmonary chondromas from hamartomas. Histopathology. 2019 Dec; 75 (6):825-832 Epub 2019 Oct 06
    View PubMed
  81. Waters R, Horvai A, Greipp P, John I, Demicco EG, Dickson BC, Tanas MR, Larsen BT, Ud Din N, Creytens DH, Bahrami A, Doyle LA, Jo VY, Al-Ibraheemi A, Thway K, Jenkins SM, Siontis B, Folpe A, Fritchie K. Atypical lipomatous tumour/well-differentiated liposarcoma and de-differentiated liposarcoma in patients aged View PubMed
  82. Raghavan SS, Mooney KL, Folpe AL, Charville GW. OLIG2 is a marker of the fusion protein-driven neurodevelopmental transcriptional signature in alveolar rhabdomyosarcoma. Hum Pathol. 2019 Sep; 91:77-85 Epub 2019 July 09
    View PubMed
  83. Folpe AL. Phosphaturic mesenchymal tumors: A review and update. Semin Diagn Pathol. 2019 Jul; 36 (4):260-268 Epub 2019 July 05
    View PubMed
  84. Gupta S, Sosa CP, Kosari F, Folpe A, Bhinge KN, Yang L, Agahi A, Johnson SH, Frank I, Boorjian SA, Hansel DE, Al-Ahmadie HA, Reuter VE, Vasmatzis G, Jimenez RE, Herrera-Hernandez L, Cheville JC. A comparison of adult rhabdomyosarcoma and high-grade neuroendocrine carcinoma of the urinary bladder reveals novel PPP1R12A fusions in rhabdomyosarcoma. Hum Pathol. 2019 Jun; 88:48-59 Epub 2019 Apr 01
    View PubMed
  85. Stevens TM, Morlote D, Swensen J, Ellis M, Harada S, Spencer S, Prieto-Granada CN, Folpe AL, Gatalica Z. Spindle Epithelial Tumor with Thymus-Like Differentiation (SETTLE): A Next-Generation Sequencing Study. Head Neck Pathol. 2019 Jun; 13 (2):162-168 Epub 2018 May 07
    View PubMed
  86. Sharain RF, Gown AM, Greipp PT, Folpe AL. Immunohistochemistry for TFE3 lacks specificity and sensitivity in the diagnosis of TFE3-rearranged neoplasms: a comparative, 2-laboratory study. Hum Pathol. 2019 May; 87:65-74 Epub 2019 Mar 06
    View PubMed
  87. Dashti NK, Fritchie KJ, Folpe AL. Perinephric myxoid pseudotumor of fat: a distinctive pseudoneoplasm most often associated with non-neoplastic renal disease. Hum Pathol. 2019 May; 87:37-43 Epub 2019 Mar 01
    View PubMed
  88. Al-Ibraheemi A, Broehm C, Tanas MR, Horvai AE, Rubin BP, Cheah AL, Thway K, Fisher C, Bahrami A, Folpe AL, Fritchie KJ. Desmoplastic Small Round Cell Tumors With Atypical Presentations: A Report of 34 Cases. Int J Surg Pathol. 2019 May; 27 (3):236-243 Epub 2018 Dec 06
    View PubMed
  89. Martinez AP, Fritchie KJ, Weiss SW, Agaimy A, Haller F, Huang HY, Lee S, Bahrami A, Folpe AL. Histiocyte-rich rhabdomyoblastic tumor: rhabdomyosarcoma, rhabdomyoma, or rhabdomyoblastic tumor of uncertain malignant potential? A histologically distinctive rhabdomyoblastic tumor in search of a place in the classification of skeletal muscle neoplasms. Mod Pathol. 2019 Mar; 32 (3):446-457 Epub 2018 Oct 04
    View PubMed
  90. Al-Ibraheemi A, Folpe AL, Perez-Atayde AR, Perry K, Hofvander J, Arbajian E, Magnusson L, Nilsson J, Mertens F. Aberrant receptor tyrosine kinase signaling in lipofibromatosis: a clinicopathological and molecular genetic study of 20 cases. Mod Pathol. 2019 Mar; 32 (3):423-434 Epub 2018 Oct 11
    View PubMed
  91. Michal M, Agaimy A, Folpe AL, Zambo I, Kebrle R, Horch RE, Kinkor Z, Svajdler M, Vanecek T, Heidenreich F, Kazakov DV, Michalova K, Hadravsky L, Michal M. Tenosynovitis With Psammomatous Calcifications: A Distinctive Trauma-Associated Subtype of Idiopathic Calcifying Tenosynovitis With a Predilection for the Distal extremities of Middle-Aged Women-A Report of 23 Cases. Am J Surg Pathol. 2019 Feb; 43 (2):261-267
    View PubMed
  92. Al-Ibraheemi A, Ahrens WA, Fritchie K, Dong J, Oliveira AM, Balzer B, Folpe AL. Malignant Tenosynovial Giant Cell Tumor: The True "Synovial Sarcoma?" A Clinicopathologic, Immunohistochemical, and Molecular Cytogenetic Study of 10 Cases, Supporting Origin from Synoviocytes. Mod Pathol. 2019 Feb; 32 (2):242-251 Epub 2018 Sept 11
    View PubMed
  93. Broski SM, Folpe AL, Wenger DE. Imaging features of phosphaturic mesenchymal tumors. Skeletal Radiol. 2019 Jan; 48 (1):119-127 Epub 2018 July 09
    View PubMed
  94. Lotfalla MM, Folpe AL, Fritchie KJ, Greipp PT, Galliano GG, Halling KC, Mounajjed T, Torres-Mora J, Graham RP. Hepatic YAP1-TFE3 Rearranged Epithelioid Hemangioendothelioma. Case Rep Gastrointest Med. 2019; 2019:7530845 Epub 2019 June 23
    View PubMed
  95. Post J, Houdek M, Folpe AL, Kakar SK, Wilke BK. A Retrospective Case Series of Synovial Sarcoma of the Upper Extremity. Sarcoma. 2019; 2019:8704936 Epub 2019 Aug 01
    View PubMed
  96. Carter JM, Wu Y, Blessing MM, Folpe AL, Thorland EC, Spinner RJ, Jentoft ME, Wang C, Baheti S, Niu Z, Mauermann ML, Klein CJ. Recurrent Genomic Alterations in Soft Tissue Perineuriomas. Am J Surg Pathol. 2018 Dec; 42 (12):1708-1714
    View PubMed
  97. Schoolmeester JK, Michal M, Steiner P, Michal M, Folpe AL, Sukov WR. Lipoblastoma-like tumor of the vulva: a clinicopathologic, immunohistochemical, fluorescence in situ hybridization and genomic copy number profiling study of seven cases. Mod Pathol. 2018 Dec; 31 (12):1862-1868 Epub 2018 July 05
    View PubMed
  98. Sent-Doux KN, Mackinnon C, Lee JC, Folpe AL, Habeeb O. Phosphaturic mesenchymal tumor without osteomalacia: additional confirmation of the "nonphosphaturic" variant, with emphasis on the roles of FGF23 chromogenic in situ hybridization and FN1-FGFR1 fluorescence in situ hybridization. Hum Pathol. 2018 Oct; 80:94-98 Epub 2018 Mar 04
    View PubMed
  99. Boland JM, Tebben PJ, Folpe AL. Phosphaturic mesenchymal tumors: what an endocrinologist should know. J Endocrinol Invest. 2018 Oct; 41 (10):1173-1184 Epub 2018 Feb 14
    View PubMed
  100. Fang H, Langstraat CL, Visscher DW, Folpe AL, Schoolmeester JK. Epithelioid Inflammatory Myofibroblastic Sarcoma of the Ovary With RANB2-ALK Fusion: Report of a Case. Int J Gynecol Pathol. 2018 Sep; 37 (5):468-472
    View PubMed
  101. Dashti NK, Wehrs RN, Thomas BC, Nair A, Davila J, Buckner JC, Martinez AP, Sukov WR, Halling KC, Howe BM, Folpe AL. Spindle cell rhabdomyosarcoma of bone with FUS-TFCP2 fusion: confirmation of a very recently described rhabdomyosarcoma subtype. Histopathology. 2018 Sep; 73(3):514-520. Epub 2018 Jun 29.
    View PubMed
  102. Briggler AM, Graham RP, Westin GF, Folpe AL, Jaroszewski DE, Okuno SH, Halfdanarson TR. Clinicopathologic features and outcomes of gastrointestinal stromal tumors arising from the esophagus and gastroesophageal junction. J Gastrointest Oncol. 2018 Aug; 9 (4):718-727
    View PubMed
  103. Folpe AL, Graham RP, Martinez A, Schembri-Wismayer D, Boland J, Fritchie KJ. Mesenchymal chondrosarcomas showing immunohistochemical evidence of rhabdomyoblastic differentiation: a potential diagnostic pitfall. Hum Pathol. 2018 Jul; 77:28-34 Epub 2018 Mar 17
    View PubMed
  104. Swanson AA, Giannini C, Folpe AL, Van Dyke DL, Amrami KK, Michalak WA, Vaubel RA. Low-grade fibromyxoid sarcoma arising within the median nerve. Neuropathology. 2018 Jun; 38 (3):309-314 Epub 2018 Jan 03
    View PubMed
  105. Terra SBSP, Aesif SW, Maleszewski JJ, Folpe AL, Boland JM. Mediastinal Synovial Sarcoma: Clinicopathologic Analysis of 21 Cases With Molecular Confirmation. Am J Surg Pathol. 2018 Jun; 42 (6):761-766
    View PubMed
  106. Martinez AP, Zou Y, Billings SD, Folpe AL. "Chondroblastoma-like" epithelioid fibrous histiocytoma: A previously undescribed and potentially confusing variant. J Cutan Pathol. 2018 Feb; 45 (2):99-103 Epub 2017 Dec 10
    View PubMed
  107. Graham RP, Yasir S, Fritchie KJ, Reid MD, Greipp PT, Folpe AL. Polypoid fibroadipose tumors of the esophagus: 'giant fibrovascular polyp' or liposarcoma? A clinicopathological and molecular cytogenetic study of 13 cases. Mod Pathol. 2018 Feb; 31 (2):337-342 Epub 2017 Oct 06
    View PubMed
  108. Ud Din N, Ahmad Z, Zreik R, Horvai A, Folpe AL, Fritchie K. Abdominopelvic and Retroperitoneal Low-Grade Fibromyxoid Sarcoma: A Clinicopathologic Study of 13 Cases. Am J Clin Pathol. 2018 Jan 29; 149 (2):128-134
    View PubMed
  109. Leiting JL, Bergquist JR, Hernandez MC, Merrell KW, Folpe AL, Robinson SI, Nagorney DM, Truty MJ, Grotz TE. Radiation Therapy for Retroperitoneal Sarcomas: Influences of Histology, Grade, and Size. Sarcoma. 2018; 2018:7972389 Epub 2018 Dec 05
    View PubMed
  110. Kaszuba MC, Pulido JS, Folpe AL, Pichurin PN, Goodenberger ML, Spinner RJ. Malignant Peripheral Nerve Sheath Tumor in a Patient With BAP1 Tumor Predisposition Syndrome. World Neurosurg. 2018 Jan; 109:362-364 Epub 2017 Oct 20
    View PubMed
  111. Karamzadeh Dashti N, Bahrami A, Lee SJ, Jenkins SM, Rodriguez FJ, Folpe AL, Boland JM. BRAF V600E Mutations Occur in a Subset of Glomus Tumors, and Are Associated With Malignant Histologic Characteristics. Am J Surg Pathol. 2017 Nov; 41 (11):1532-1541
    View PubMed
  112. Perry KD, Al-Lbraheemi A, Rubin BP, Jen J, Ren H, Jang JS, Nair A, Davila J, Pambuccian S, Horvai A, Sukov W, Tazelaar HD, Folpe AL. Composite hemangioendothelioma with neuroendocrine marker expression: an aggressive variant. Mod Pathol. 2017 Nov; 30 (11):1589-1602 Epub 2017 July 21
    View PubMed
  113. Graham RP, Nair AA, Davila JI, Jin L, Jen J, Sukov WR, Wu TT, Appelman HD, Torres-Mora J, Perry KD, Zhang L, Kloft-Nelson SM, Knudson RA, Greipp PT, Folpe AL. Gastroblastoma harbors a recurrent somatic MALAT1-GLI1 fusion gene. Mod Pathol. 2017 Oct; 30(10):1443-1452. Epub 2017 Jul 21.
    View PubMed
  114. Boland JM, Folpe AL. Hemosiderotic Fibrolipomatous Tumor, Pleomorphic Hyalinizing Angiectatic Tumor, and Myxoinflammatory Fibroblastic Sarcoma: Related or Not? Adv Anat Pathol. 2017 Sep; 24 (5):268-277
    View PubMed
  115. Riester SM, Torres-Mora J, Dudakovic A, Camilleri ET, Wang W, Xu F, Thaler RR, Evans JM, Zwartbol R, Briaire-de Bruijn IH, Maran A, Folpe AL, Inwards CY, Rose PS, Shives TC, Yaszemski MJ, Sim FH, Deyle DR, Larson AN, Galindo MA, Cleven AGH, Oliveira AM, Cleton-Jansen AM, Bovee JVMG, van Wijnen AJ. Hypoxia-related microRNA-210 is a diagnostic marker for discriminating osteoblastoma and osteosarcoma. J Orthop Res. 2017 May; 35 (5):1137-1146 Epub 2016 June 28
    View PubMed
  116. Bean GR, Joseph NM, Gill RM, Folpe AL, Horvai AE, Umetsu SE. Recurrent GNAQ mutations in anastomosing hemangiomas. Mod Pathol. 2017 May; 30 (5):722-727 Epub 2017 Jan 13
    View PubMed
  117. Ersen A, Pekmezci M, Folpe AL, Tihan T. Comparision of New Diagnostic Tools for Malignant Peripheral Nerve Sheath Tumors. Pathol Oncol Res. 2017 Apr; 23 (2):393-398 Epub 2016 Oct 12
    View PubMed
  118. Al-Ibraheemi A, Martinez A, Weiss SW, Kozakewich HP, Perez-Atayde AR, Tran H, Parham DM, Sukov WR, Fritchie KJ, Folpe AL. Fibrous hamartoma of infancy: a clinicopathologic study of 145 cases, including 2 with sarcomatous features. Mod Pathol. 2017 Apr; 30 (4):474-485 Epub 2017 Jan 06
    View PubMed
  119. Al-Ibraheemi A, Folpe AL. Voluntary Second Opinions in Pediatric Bone and Soft Tissue Pathology: A Retrospective Review of 1601 Cases From a Single Mesenchymal Tumor Consultation Service. Int J Surg Pathol. 2016 Dec; 24: (8)685-691.
    View PubMed
  120. Tay CK, Koh MS, Takano A, Aubry MC, Sukov WR, Folpe AL. Primary angiomatoid fibrous histiocytoma of the lung with mediastinal lymph node metastasis. Hum Pathol. 2016 Dec; 58:134-137 Epub 2016 Aug 18
    View PubMed
  121. Torres-Mora J, Ud Din N, Ahrens WA, Folpe AL. Pseudolipoblastic perineurioma: an unusual morphological variant of perineurioma that may simulate liposarcoma. Hum Pathol. 2016 Nov; 57:22-27 Epub 2016 July 06
    View PubMed
  122. Boland JM, Folpe AL. Oncocytic variant of malignant gastrointestinal neuroectodermal tumor: a potential diagnostic pitfall. Hum Pathol. 2016 Nov; 57:13-16 Epub 2016 June 23
    View PubMed
  123. Lee JC, Su SY, Changou CA, Yang RS, Tsai KS, Collins MT, Orwoll ES, Lin CY, Chen SH, Shih SR, Lee CH, Oda Y, Billings SD, Li CF, Nielsen GP, Konishi E, Petersson F, Carpenter TO, Sittampalam K, Huang HY, Folpe AL. Characterization of FN1-FGFR1 and novel FN1-FGF1 fusion genes in a large series of phosphaturic mesenchymal tumors. Mod Pathol. 2016 Nov; 29 (11):1335-1346 Epub 2016 July 22
    View PubMed
  124. Gupta S, Jimenez RE, Folpe AL, Cheville JC. Renal Leiomyoma and Leiomyosarcoma: A Study of 57 Cases. Am J Surg Pathol. 2016 Nov; 40 (11):1557-1563
    View PubMed
  125. Ud Din N, Zhang P, Sukov WR, Sattler CA, Jenkins SM, Doyle LA, Folpe AL, Fritchie KJ. Spindle Cell Lipomas Arising at Atypical Locations. Am J Clin Pathol. 2016 Oct; 146 (4):487-95
    View PubMed
  126. John I, Folpe AL. Anastomosing Hemangiomas Arising in Unusual Locations: A Clinicopathologic Study of 17 Soft Tissue Cases Showing a Predilection for the Paraspinal Region. Am J Surg Pathol. 2016 Aug; 40 (8):1084-9
    View PubMed
  127. Zreik RT, Carter JM, Sukov WR, Ahrens WA, Fritchie KJ, Montgomery EA, Weiss SW, Folpe AL. TGFBR3 and MGEA5 rearrangements are much more common in "hybrid" hemosiderotic fibrolipomatous tumor-myxoinflammatory fibroblastic sarcomas than in classical myxoinflammatory fibroblastic sarcomas: a morphological and fluorescence in situ hybridization study. Hum Pathol. 2016 Jul; 53:14-24 Epub 2016 Mar 02
    View PubMed
  128. Inyang A, Mertens F, Puls F, Sumathi V, Inwards C, Folpe A, Lee CH, Zhang Y, Symmans P, Rubin B, Nielsen GP, Nguyen VH, Rosenberg AE. Primary Pseudomyogenic Hemangioendothelioma of Bone. Am J Surg Pathol. 2016 May; 40: (5)587-98.
    View PubMed
  129. Al-Ibraheemi A, Folpe AL. Voluntary second opinions in pediatric bone and soft tissue pathology International Journal of Surgical Pathology. 2016; 24: (8)685-91.
  130. Guo R, Folpe AL. Extensively Myxoid and Hyalinized Sinonasal Capillary Hemangiomas: A Clinicopathologic Study of 16 Cases of a Distinctive and Potentially Confusing Hemangioma Variant. Am J Surg Pathol. 2015 Nov; 39: (11)1584-90.
    View PubMed
  131. Sandell RF, Carter JM, Folpe AL. Solitary (juvenile) xanthogranuloma: a comprehensive immunohistochemical study emphasizing recently developed markers of histiocytic lineage. Hum Pathol. 2015 Sep; 46(9):1390-7. Epub 2015 Jun 10.
    View PubMed
  132. Romano RC, Carter JM, Folpe AL. Aberrant intermediate filament and synaptophysin expression is a frequent event in malignant melanoma: an immunohistochemical study of 73 cases. Mod Pathol. 2015 Aug; 28 (8):1033-42 Epub 2015 May 29
    View PubMed
  133. Kumar R, Folpe AL, Mullan BP. Tumor-Induced Osteomalacia. Transl Endocrinol Metab. 2015 Summer; 7 (3)
    View PubMed
  134. Folpe AL, Schoolmeester JK, McCluggage WG, Sullivan LM, Castagna K, Ahrens WA, Oliva E, Biegel JA, Nielsen GP. SMARCB1-deficient Vulvar Neoplasms: A Clinicopathologic, Immunohistochemical, and Molecular Genetic Study of 14 Cases. Am J Surg Pathol. 2015 Jun; 39: (6)836-49.
    View PubMed
  135. Boland JM, Colby TV, Folpe AL. Intrathoracic peripheral nerve sheath tumors-a clinicopathological study of 75 cases. Hum Pathol. 2015 Mar; 46(3):419-25. Epub 2014 Dec 10.
    View PubMed
  136. Shon W, Folpe AL, Fritchie KJ. ERG expression in chondrogenic bone and soft tissue tumours. J Clin Pathol. 2015 Feb; 68: (2)125-9.
    View PubMed
  137. Lee JC, Jeng YM, Su SY, Wu CT, Tsai KS, Lee CH, Lin CY, Carter JM, Huang JW, Chen SH, Shih SR, Marino-Enriquez A, Chen CC, Folpe AL, Chang YL, Liang CW. Identification of a novel FN1-FGFR1 genetic fusion as a frequent event in phosphaturic mesenchymal tumour. J Pathol. 2015; 235(4):539-45.
    View PubMed
  138. Carter JM, Caron BL, Dogan A, Folpe AL. A novel chromogenic in situ hybridization assay for FGF23 mRNA in phosphaturic mesenchymal tumors. Am J Surg Pathol. 2015 Jan; 39 (1):75-83
    View PubMed
  139. Linos K, Carter JM, Gardner JM, Folpe AL, Weiss SW, Edgar MA. Myofibromas with atypical features: expanding the morphologic spectrum of a benign entity. Am J Surg Pathol. 2014 Dec; 38(12):1649-54.
    View PubMed
  140. Kohorst MA, Tran CL, Folpe AL, Sethi S, Arndt CA. Membranous nephropathy associated with angiomatoid fibrous histiocytoma in a pediatric patient. Pediatr Nephrol. 2014 Nov; 29 (11):2221-4 Epub 2014 June 01
    View PubMed
  141. Bahrami A, Lee S, Caradine KD, Raimondi SC, Folpe AL. SMARCB1 deletion by a complex three-way chromosomal translocation in an extrarenal malignant rhabdoid tumor. Cancer Genet. 2014 Sep; 207: (9)437-40.
    View PubMed
  142. Carter JM, Sukov WR, Montgomery E, Goldblum JR, Billings SD, Fritchie KJ, Folpe AL. TGFBR3 and MGEA5 rearrangements in pleomorphic hyalinizing angiectatic tumors and the spectrum of related neoplasms. Am J Surg Pathol. 2014 Sep; 38 (9):1182-992
    View PubMed
  143. Tessier Cloutier B, Costa FD, Tazelaar HD, Folpe AL. Aberrant expression of neuroendocrine markers in angiosarcoma: a potential diagnostic pitfall. Hum Pathol. 2014 Aug; 45(8):1618-24. Epub 2014 Apr 13.
    View PubMed
  144. Burrows AM, Folpe AL, Wenger DE, Spinner RJ. Intraneural fibroma of the median nerve at the wrist. J Clin Neurosci. 2014 Jun; 21(6):1054-6. Epub 2013 Oct 18.
    View PubMed
  145. Shon W, Sukov WR, Jenkins SM, Folpe AL. MYC amplification and overexpression in primary cutaneous angiosarcoma: a fluorescence in-situ hybridization and immunohistochemical study. Mod Pathol. 2014 Apr; 27 (4):509-15 Epub 2013 Oct 04
    View PubMed
  146. Carter JM, Weiss SW, Linos K, DiCaudo DJ, Folpe AL. Superficial CD34-positive fibroblastic tumor: report of 18 cases of a distinctive low-grade mesenchymal neoplasm of intermediate (borderline) malignancy. Mod Pathol. 2014 Feb; 27 (2):294-302 Epub 2013 July 26
    View PubMed
  147. Laughlin RS, Suanprasert N, Dyck PJ, Spinner RJ, Folpe AL. Glomangiomatosis of the sural nerve. J Clin Pathol 2014 Feb; 67 (2):190-2 Epub 2013 Oct 09
    View PubMed
  148. Kang Y, Pekmezci M, Folpe AL, Ersen A, Horvai AE. Diagnostic utility of SOX10 to distinguish malignant peripheral nerve sheath tumor from synovial sarcoma, including intraneural synovial sarcoma. Mod Pathol. 2014 Jan; 27 (1):55-61 Epub 2013 Aug 09
    View PubMed
  149. Folpe AL. Selected topics in the pathology of epithelioid soft tissue tumors. Mod Pathol. 2014 Jan; 27 Suppl 1:S64-79
    View PubMed
  150. Folpe AL. Fibrosarcoma: a review and update. Histopathology. 2014 Jan; 64 (1):12-25 Epub 2013 Nov 22
    View PubMed
  151. Schoolmeester JK, Cheville JC, Folpe AL. Synovial sarcoma of the kidney: a clinicopathologic, immunohistochemical, and molecular genetic study of 16 cases. Am J Surg Pathol. 2014 Jan; 38 (1):60-5
    View PubMed
  152. Torres-Mora J, Dry S, Li X, Binder S, Amin M, Folpe AL. Malignant melanotic schwannian tumor: a clinicopathologic, immunohistochemical, and gene expression profiling study of 40 cases, with a proposal for the reclassification of "melanotic schwannoma". Am J Surg Pathol. 2014 Jan; 38 (1):94-105
    View PubMed
  153. Shon W, Folpe AL. Myxochondroid metaplasia of the plantar foot: a distinctive pseudoneoplastic lesion resembling nuchal fibrocartilaginous pseudotumor and the equine digital cushion. Mod Pathol. 2013 Dec; 26 (12):1561-7 Epub 2013 June 14
    View PubMed
  154. Boland JM, Fritchie KJ, Erickson-Johnson MR, Oliveira AM, Colby TV, Folpe AL. Endobronchial lipomatous tumors: clinicopathologic analysis of 12 cases with molecular cytogenetic evidence supporting classification as "lipoma". Am J Surg Pathol. 2013 Nov; 37(11):1715-21.
    View PubMed
  155. Graham RP, Weiss SW, Sukov WR, Goldblum JR, Billings SD, Dotlic S, Folpe AL. PHF1 rearrangements in ossifying fibromyxoid tumors of soft parts: A fluorescence in situ hybridization study of 41 cases with emphasis on the malignant variant. Am J Surg Pathol. 2013 Nov; 37 (11):1751-5
    View PubMed
  156. Gardner KH, Shon W, Folpe AL, Wieland CN, Tebben PJ, Baum CL. Tumor-induced osteomalacia resulting from primary cutaneous phosphaturic mesenchymal tumor: a case and review of the medical literature. J Cutan Pathol. 2013 Sep; 40(9):780-4; quiz 779.
    View PubMed
  157. Fisher M, Biddinger P, Folpe AL, McKinnon B. Chondroid tenosynovial giant cell tumor of the temporal bone. Otol Neurotol. 2013 Aug; 34: (6)e49-50.
    View PubMed
  158. Costa FD, Folpe AL. Intratesticular kaposiform haemangioendothelioma in adults: a report of two cases. J Clin Pathol. 2013 Jul; 66: (7)623-6.
    View PubMed
  159. Schoolmeester JK, Sukov WR, Maleszewski JJ, Bedroske PP, Folpe AL, Hodge JC. JAZF1 rearrangement in a mesenchymal tumor of nonendometrial stromal origin: report of an unusual ossifying sarcoma of the heart demonstrating JAZF1/PHF1 fusion. Am J Surg Pathol. 2013 Jun; 37 (6):938-42
    View PubMed
  160. Mathis DA, Stehel EJ Jr, Beshay JE, Mickey BE, Folpe AL, Raisanen J. Intracranial phosphaturic mesenchymal tumors: report of 2 cases. J Neurosurg. 2013 Apr; 118: (4)903-7.
    View PubMed
  161. Arbajian E, Magnusson L, Brosjo O, Wejde J, Folpe AL, Nord KH, Mertens F. A benign vascular tumor with a new fusion gene: EWSR1-NFATC1 in hemangioma of the bone. Am J Surg Pathol. 2013 Apr; 37: (4)613-6.
    View PubMed
  162. Sullivan LM, Folpe AL, Pawel BR, Judkins AR, Biegel JA. Epithelioid sarcoma is associated with a high percentage of SMARCB1 deletions. Mod Pathol. 2013 Mar; 26: (3)385-92.
    View PubMed
  163. Boland JM, Folpe AL. Cutaneous neoplasms showing EWSR1 rearrangement. Adv Anat Pathol. 2013 Mar; 20 (2):75-85
    View PubMed
  164. Pasalic D, Luetmer PH, Hunt CH, Rose PS, Diehn FE, Folpe AL, Wenger DE. Benign Notochordal Cell Tumor of the Sacrum with Atypical Imaging Features: The Value of CT Guided Biopsy for Diagnosis. Open Neuroimag J. 2013; 7:36-40 Epub 2013 Dec 30
    View PubMed
  165. Shon W, Wada DA, Folpe AL, Pittelkow MR. Angiosarcoma in a patient with congenital nonhereditary lymphedema. Cutis. 2012 Nov; 90 (5):248-51
    View PubMed
  166. Graham R, Krishnamurthy S, Oliveira A, Inwards C, Folpe AL. Frequent expression of fibroblast growth factor-23 (FGF23) mRNA in aneurysmal bone cysts and chondromyxoid fibromas. J Clin Pathol. 2012 Oct; 65 (10):907-9 Epub 2012 Aug 29
    View PubMed
  167. Sciallis AP, Chen B, Folpe AL. Cellular spindled histiocytic pseudotumor complicating mammary fat necrosis: a potential diagnostic pitfall. Am J Surg Pathol. 2012 Oct; 36(10):1571-8.
    View PubMed
  168. LeGallo RD, Stelow EB, Sukov WR, Duska LR, Alisanski SB, Folpe AL. Melanotic xp11.2 neoplasm of the ovary: report of a unique case. Am J Surg Pathol. 2012 Sep; 36: (9)1410-4.
    View PubMed
  169. Boland JM, Colby TV, Folpe AL. Liposarcomas of the mediastinum and thorax: a clinicopathologic and molecular cytogenetic study of 24 cases, emphasizing unusual and diverse histologic features. Am J Surg Pathol. 2012 Sep; 36(9):1395-403.
    View PubMed
  170. Graham RP, Hodge JC, Folpe AL, Oliveira AM, Meyer KJ, Jenkins RB, Sim FH, Sukov WR. A cytogenetic analysis of 2 cases of phosphaturic mesenchymal tumor of mixed connective tissue type. Hum Pathol. 2012 Aug; 43 (8):1334-8 Epub 2012 Apr 11
    View PubMed
  171. Arndt CA, Rose PS, Folpe AL, Laack NN. Common musculoskeletal tumors of childhood and adolescence. Mayo Clin Proc. 2012 May; 87 (5):475-87
    View PubMed
  172. Rodriguez FJ, Folpe AL, Giannini C, Perry A. Pathology of peripheral nerve sheath tumors: diagnostic overview and update on selected diagnostic problems. Acta Neuropathol. 2012 Mar; 123: (3)295-319.
    View PubMed
  173. Adhikari LA, McCalmont TH, Folpe AL. Merkel cell carcinoma with heterologous rhabdomyoblastic differentiation: the role of immunohistochemistry for Merkel cell polyomavirus large T-antigen in confirmation. J Cutan Pathol. 2012 Jan; 39(1):47-51. Epub 2011 Oct 28.
    View PubMed
  174. Carter JM, O'Hara C, Dundas G, Gilchrist D, Collins MS, Eaton K, Judkins AR, Biegel JA, Folpe AL. Epithelioid malignant peripheral nerve sheath tumor arising in a schwannoma, in a patient with "neuroblastoma-like" schwannomatosis and a novel germline SMARCB1 mutation. Am J Surg Pathol. 2012 Jan; 36: (1)154-60.
    View PubMed
  175. Bleeker JS, Quevedo JF, Folpe AL. "Malignant" perivascular epithelioid cell neoplasm: risk stratification and treatment strategies. Sarcoma. 2012; 2012:541626 Epub 2012 Apr 26
    View PubMed
  176. Bleeker JS, Quevedo JF, Folpe AL. Malignant perivascular epithelioid cell tumor of the uterus. Rare Tumors. 2012; 4(1):45-8.
  177. Horvai A, Folpe AL. Foreword for pathology case reviews. Pathology Case Reviews. 2012; 17(1):1-2.
  178. Shon W, Jenkins SM, Ross DT, Seitz RS, Beck RA, Ring BZ, Okuno SH, Gibson LE, Folpe AL. Angiosarcoma: a study of 98 cases with immunohistochemical evaluation of TLE3, a recently described marker of potential taxane responsiveness. J Cutan Pathol. 2011 Dec; 38: (12)961-6.
    View PubMed
  179. Chen G, Folpe AL, Colby TV, Sittampalam K, Patey M, Chen MG, Chan JK. Angiomatoid fibrous histiocytoma: unusual sites and unusual morphology. Mod Pathol. 2011 Dec; 24: (12)1560-70.
    View PubMed
  180. Graham RP, Dry S, Li X, Binder S, Bahrami A, Raimondi SC, Dogan A, Chakraborty S, Souchek JJ, Folpe AL. Ossifying fibromyxoid tumor of soft parts: a clinicopathologic, proteomic, and genomic study. Am J Surg Pathol. 2011 Nov; 35 (11):1615-25
    View PubMed
  181. Walters MP, McPhail ED, Law ME, Folpe AL. BCL-6 expression in mesenchymal tumours: an immunohistochemical and fluorescence in situ hybridisation study. J Clin Pathol. 2011 Oct; 64 (10):866-9 Epub 2011 July 01
    View PubMed
  182. Laurini JA, Zhang L, Goldblum JR, Montgomery E, Folpe AL. Low-grade fibromyxoid sarcoma of the small intestine: report of 4 cases with molecular cytogenetic confirmation. Am J Surg Pathol. 2011 Jul; 35(7):1069-73.
    View PubMed
  183. Shon W, Ida CM, Boland-Froemming JM, Rose PS, Folpe A. Cutaneous angiosarcoma arising in massive localized lymphedema of the morbidly obese: a report of five cases and review of the literature. J Cutan Pathol. 2011 Jul; 38 (7):560-4 Epub 2011 Apr 26
    View PubMed
  184. Kosemehmetoglu K, Kaygusuz G, Bahrami A, Raimondi SC, Kilicarslan K, Yildiz Y, Folpe AL. Intra-articular epithelioid sarcoma showing mixed classic and proximal-type features: report of 2 cases, with immunohistochemical and molecular cytogenetic INI-1 study. Am J Surg Pathol. 2011 Jun; 35: (6)891-7.
    View PubMed
  185. Scheithauer BW, Amrami KK, Folpe AL, Silva AI, Edgar MA, Woodruff JM, Levi AD, Spinner RJ. Synovial sarcoma of nerve. Hum Pathol. 2011 Apr; 42(4):568-77. Epub 2011 Feb 04.
    View PubMed
  186. Ahrens WA, Folpe AL. CD1a immunopositivity in perivascular epithelioid cell neoplasms: true expression or technical artifact? A streptavidin-biotin and polymer-based detection system immunohistochemical study of perivascular epithelioid cell neoplasms and their morphologic mimics. Hum Pathol. 2011 Mar; 42: (3)369-74.
    View PubMed
  187. Rekhi B, Folpe AL, Deshmukh M, Jambhekar NA. Sclerosing epithelioid fibrosarcoma - a report of two cases with cytogenetic analysis of FUS gene rearrangement by FISH technique. Pathol Oncol Res. 2011 Mar; 17: (1)145-8.
    View PubMed
  188. Boland JM, Folpe AL. The impact of advances in molecular genetics on the classification and diagnosis of liposarcoma. Diagn Histopathol. 2011; 17(8):348-54.
  189. Bradshaw MJ, Folpe AL, Croghan GA. Perivascular epithelioid cell neoplasm of the uterine cervix: an unusual tumor in an unusual location. Rare Tumors. 2010 Dec 31; 2 (4):e56
    View PubMed
  190. Bahrami A, Folpe AL. Adult-type fibrosarcoma: A reevaluation of 163 putative cases diagnosed at a single institution over a 48-year period. Am J Surg Pathol. 2010 Oct; 34 (10):1504-13
    View PubMed
  191. Lindberg MR, Fisher C, Thway K, Cao D, Cheville JC, Folpe AL. Leiomyosarcoma of the urinary bladder: a clinicopathological study of 34 cases. J Clin Pathol. 2010 Aug; 63: (8)708-13.
    View PubMed
  192. Brown JG, Folpe AL, Rao P, Lazar AJ, Paner GP, Gupta R, Parakh R, Cheville JC, Amin MB. Primary vascular tumors and tumor-like lesions of the kidney: a clinicopathologic analysis of 25 cases. Am J Surg Pathol. 2010 Jul; 34: (7)942-9.
    View PubMed
  193. Boland JM, Weiss SW, Oliveira AM, Erickson-Johnson ML, Folpe AL. Liposarcomas with mixed well-differentiated and pleomorphic features: a clinicopathologic study of 12 cases. Am J Surg Pathol. 2010 Jun; 34: (6)837-43.
    View PubMed
  194. Koutlas IG, Scheithauer BW, Folpe AL. Intraoral perineurioma, soft tissue type: report of five cases, including 3 intraosseous examples, and review of the literature. Head Neck Pathol. 2010 Jun; 4: (2)113-20.
    View PubMed
  195. Shon W, Folpe AL. Tenosynovitis with psammomatous calcification: a poorly recognized pseudotumor related to repetitive tendinous injury. Am J Surg Pathol. 2010 Jun; 34(6):892-5.
    View PubMed
  196. Larsen S, Davis DM, Comfere NI, Folpe AL, Sciallis GF. Osteosarcoma of the skin. Int J Dermatol. 2010 May; 49(5):532-40.
    View PubMed
  197. Kosemehmetoglu K, Folpe AL. Clear cell sarcoma of tendons and aponeuroses, and osteoclast-rich tumour of the gastrointestinal tract with features resembling clear cell sarcoma of soft parts: a review and update. J Clin Pathol. 2010 May; 63: (5)416-23.
    View PubMed
  198. Rubin BP, Cooper K, Fletcher CD, Folpe AL, Gannon FH, Hunt JL, Lazar AJ, Montag AG, Peabody TD, Pollock RE, Reith JD, Qualman SJ, Rosenberg AE, Weiss SW, Krausz T, Members of the Cancer Committee, College of American Pathologists. Protocol for the examination of specimens from patients with tumors of soft tissue. Arch Pathol Lab Med. 2010 Apr; 134: (4)e31-9.
    View PubMed
  199. Garcia JJ, Folpe AL. The impact of advances in molecular genetic pathology on the classification, diagnosis and treatment of selected soft tissue tumors of the head and neck. Head Neck Pathol. 2010 Mar; 4 (1):70-6 Epub 2010 Jan 22
    View PubMed
  200. Folpe AL, Kwiatkowski DJ. Perivascular epithelioid cell neoplasms: pathology and pathogenesis. Hum Pathol. 2010 Jan; 41 (1):1-15 Epub 2009 July 15
    View PubMed
  201. Ridenour RV, Ahrens WA, Folpe AL, Miller DV. Clinical and histopathologic features of chordomas in children and young adults. Pediatr Dev Pathol. 2010 Jan-Feb; 13(1):9-17.
    View PubMed
  202. Woo VL, Landesberg R, Imel EA, Singer SR, Folpe AL, Econs MJ, Kim T, Harik LR, Jacobs TP. Phosphaturic mesenchymal tumor, mixed connective tissue variant, of the mandible: report of a case and review of the literature. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2009 Dec; 108: (6)925-32.
    View PubMed
  203. Bahrami A, Weiss SW, Montgomery E, Horvai AE, Jin L, Inwards CY, Folpe AL. RT-PCR analysis for FGF23 using paraffin sections in the diagnosis of phosphaturic mesenchymal tumors with and without known tumor induced osteomalacia. Am J Surg Pathol. 2009 Sep; 33 (9):1348-54
    View PubMed
  204. Manduch M, Oliveira AM, Nascimento AG, Folpe AL. Massive localised lymphoedema: a clinicopathological study of 22 cases and review of the literature. J Clin Pathol. 2009 Sep; 62(9):808-11.
    View PubMed
  205. Folpe AL, Lloyd RV, Bacchi CE, Rosai J. Spindle epithelial tumor with thymus-like differentiation: a morphologic, immunohistochemical, and molecular genetic study of 11 cases. Am J Surg Pathol. 2009 Aug; 33(8):1179-86.
    View PubMed
  206. Boland JM, Folpe AL, Hornick JL, Grogg KL. Clusterin is expressed in normal synoviocytes and in tenosynovial giant cell tumors of localized and diffuse types: diagnostic and histogenetic implications. Am J Surg Pathol. 2009 Aug; 33: (8)1225-9.
    View PubMed
  207. Kosemehmetoglu K, Vrana JA, Folpe AL. TLE1 expression is not specific for synovial sarcoma: a whole section study of 163 soft tissue and bone neoplasms. Mod Pathol. 2009 Jul; 22: (7)872-8.
    View PubMed
  208. Raoux D, Peoc'h M, Pedeutour F, Vaunois B, Decouvelaere AV, Folpe AL. Primary epithelioid sarcoma of bone: report of a unique case, with immunohistochemical and fluorescent in situ hybridization confirmation of INI1 deletion. Am J Surg Pathol. 2009 Jun; 33: (6)954-8.
    View PubMed
  209. Alaggio R, Coffin CM, Weiss SW, Bridge JA, Issakov J, Oliveira AM, Folpe AL. Liposarcomas in young patients: a study of 82 cases occurring in patients younger than 22 years of age. Am J Surg Pathol. 2009 May; 33: (5)645-58.
    View PubMed
  210. Orrock JM, Abbott JJ, Gibson LE, Folpe AL. INI1 and GLUT-1 expression in epithelioid sarcoma and its cutaneous neoplastic and nonneoplastic mimics. Am J Dermatopathol. 2009 Apr; 31: (2)152-6.
    View PubMed
  211. Sukov WR, Cheville JC, Amin MB, Gupta R, Folpe AL. Perivascular epithelioid cell tumor (PEComa) of the urinary bladder: report of 3 cases and review of the literature. Am J Surg Pathol. 2009 Feb; 33 (2):304-8
    View PubMed
  212. Ahrens WA, Ridenour RV 3rd, Caron BL, Miller DV, Folpe AL. GLUT-1 expression in mesenchymal tumors: an immunohistochemical study of 247 soft tissue and bone neoplasms. Hum Pathol. 2008 Oct; 39 (10):1519-26 Epub 2008 July 11
    View PubMed
  213. Weed BR, Folpe AL. Cutaneous CD30-positive epithelioid angiosarcoma following breast-conserving therapy and irradiation: a potential diagnostic pitfall. Am J Dermatopathol. 2008 Aug; 30 (4):370-2
    View PubMed
  214. Bague S, Folpe AL. Dermatofibrosarcoma protuberans presenting as a subcutaneous mass: a clinicopathological study of 15 cases with exclusive or near-exclusive subcutaneous involvement. Am J Dermatopathol. 2008 Aug; 30: (4)327-32.
    View PubMed
  215. Bahrami A, Gown AM, Baird GS, Hicks MJ, Folpe AL. Aberrant expression of epithelial and neuroendocrine markers in alveolar rhabdomyosarcoma: a potentially serious diagnostic pitfall. Mod Pathol. 2008 Jul; 21: (7)795-806.
    View PubMed
  216. Downs-Kelly E, Goldblum JR, Patel RM, Weiss SW, Folpe AL, Mertens F, Hartke M, Tubbs RR, Skacel M. The utility of fluorescence in situ hybridization (FISH) in the diagnosis of myxoid soft tissue neoplasms. Am J Surg Pathol. 2008 Jan; 32 (1):8-13
    View PubMed
  217. Deyrup AT, McKenney JK, Tighiouart M, Folpe AL, Weiss SW. Sporadic cutaneous angiosarcomas: a proposal for risk stratification based on 69 cases. Am J Surg Pathol. 2008 Jan; 32: (1)72-7.
    View PubMed
  218. Williams K, Flanagan A, Folpe A, Thakker R, Athanasou NA. Lymphatic vessels are present in phosphaturic mesenchymal tumours. Virchows Arch. 2007 Nov; 451(5):871-5.
    View PubMed
  219. Billings SD, Folpe AL. Diagnostically challenging spindle cell lipomas: a report of 34 "low-fat" and "fat-free" variants. Am J Dermatopathol. 2007 Oct; 29: (5)437-42.
    View PubMed
  220. Gullett NP, Delman K, Folpe AL, Johnstone PA. National surgical patterns of care: regional lymphadenectomy of breast sarcomas. Am J Clin Oncol. 2007 Oct; 30: (5)461-5.
    View PubMed
  221. Fukunaga M, Suzuki K, Saegusa N, Folpe AL. Composite hemangioendothelioma: report of 5 cases including one with associated Maffucci syndrome. Am J Surg Pathol. 2007 Oct; 31: (10)1567-72.
    View PubMed
  222. Folpe AL, Cooper K. Best practices in diagnostic immunohistochemistry: pleomorphic cutaneous spindle cell tumors. Arch Pathol Lab Med. 2007 Oct; 131 (10):1517-24
    View PubMed
  223. Kenerson H, Folpe AL, Takayama TK, Yeung RS. Activation of the mTOR pathway in sporadic angiomyolipomas and other perivascular epithelioid cell neoplasms. Hum Pathol. 2007 Sep; 38: (9)1361-71.
    View PubMed
  224. Folpe AL. Tenosynovial giant cell tumor and pigmented villonodular synovitis. Skeletal Radiol. 2007 Sep; 36: (9)899-900; author reply 901.
    View PubMed
  225. Schmack I, Patel RM, Folpe AL, Wojno T, Zaldivar RA, Balzer B, Kang SJ, Weiss SW, Grossniklaus HE. Subconjunctival herniated orbital fat: A benign adipocytic lesion that may mimic pleomorphic lipoma and atypical lipomatous tumor. Am J Surg Pathol. 2007 Feb; 31: (2)193-8.
    View PubMed
  226. Folpe AL, Deyrup AT. Alveolar soft-part sarcoma: a review and update. J Clin Pathol. 2006 Nov; 59 (11):1127-32
    View PubMed
  227. Amin MB, Patel RM, Oliveira P, Cabrera R, Carneiro V, Preto M, Balzer B, Folpe AL. Alveolar soft-part sarcoma of the urinary bladder with urethral recurrence: a unique case with emphasis on differential diagnoses and diagnostic utility of an immunohistochemical panel including TFE3. Am J Surg Pathol. 2006 Oct; 30(10):1322-5.
    View PubMed
  228. Patel RM, Weiss SW, Folpe AL. Heterotopic mesenteric ossification: a distinctive pseudosarcoma commonly associated with intestinal obstruction. Am J Surg Pathol. 2006 Jan; 30(1):119-22.
    View PubMed
  229. Folpe AL, Mentzel T, Lehr HA, Fisher C, Balzer BL, Weiss SW. Perivascular epithelioid cell neoplasms of soft tissue and gynecologic origin: a clinicopathologic study of 26 cases and review of the literature. Am J Surg Pathol. 2005 Dec; 29(12):1558-75.
    View PubMed
  230. Chi AC, Weathers DR, Folpe AL, Dunlap DT, Rasenberger K, Neville BW. Epithelioid hemangioendothelioma of the oral cavity: report of two cases and review of the literature. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2005 Dec; 100(6):717-24.
    View PubMed
  231. Patel RM, Downs-Kelly E, Weiss SW, Folpe AL, Tubbs RR, Tuthill RJ, Goldblum JR, Skacel M. Dual-color, break-apart fluorescence in situ hybridization for EWS gene rearrangement distinguishes clear cell sarcoma of soft tissue from malignant melanoma. Mod Pathol. 2005 Dec; 18 (12):1585-90
    View PubMed
  232. Montgomery E, Folpe AL. The diagnostic value of beta-catenin immunohistochemistry. Adv Anat Pathol. 2005 Nov; 12(6):350-6.
    View PubMed
  233. Schuetz AN, Rubin BP, Goldblum JR, Shehata B, Weiss SW, Liu W, Wick MR, Folpe AL. Intercellular junctions in Ewing sarcoma/primitive neuroectodermal tumor: additional evidence of epithelial differentiation. Mod Pathol. 2005 Nov; 18 (11):1403-10
    View PubMed
  234. Folpe AL, Goldblum JR, Rubin BP, Shehata BM, Liu W, Dei Tos AP, Weiss SW. Morphologic and immunophenotypic diversity in Ewing family tumors: a study of 66 genetically confirmed cases. Am J Surg Pathol. 2005 Aug; 29(8):1025-33.
    View PubMed
  235. Skinnider BF, Folpe AL, Hennigar RA, Lim SD, Cohen C, Tamboli P, Young A, de Peralta-Venturina M, Amin MB. Distribution of cytokeratins and vimentin in adult renal neoplasms and normal renal tissue: potential utility of a cytokeratin antibody panel in the differential diagnosis of renal tumors. Am J Surg Pathol. 2005 Jun; 29(6):747-54.
    View PubMed
  236. Hammock L, Reisenauer A, Wang W, Cohen C, Birdsong G, Folpe AL. Latency-associated nuclear antigen expression and human herpesvirus-8 polymerase chain reaction in the evaluation of Kaposi sarcoma and other vascular tumors in HIV-positive patients. Mod Pathol. 2005 Apr; 18(4):463-8.
    View PubMed
  237. Lewis W, Miller YK, Haase CP, Ludaway T, McNaught J, Russ R, Steltzer J, Folpe A, Long R, Oshinski J. HIV viral protein R causes atrial cardiomyocyte mitosis, mesenchymal tumor, dysrhythmia, and heart failure. Lab Invest. 2005 Feb; 85(2):182-92.
    View PubMed
  238. Fanburg-Smith JC, Miettinen M, Folpe AL, Weiss SW, Childers EL. Lingual alveolar soft part sarcoma; 14 cases: novel clinical and morphological observations. Histopathology. 2004 Nov; 45(5):526-37.
    View PubMed
  239. Folpe AL, Weiss SW. Pleomorphic hyalinizing angiectatic tumor: analysis of 41 cases supporting evolution from a distinctive precursor lesion.[see comment]. Am J Surg Pathol. 2004 Nov; 28(11):1417-25.
    View PubMed
  240. Fisher C, Folpe AL, Hashimoto H, Weiss SW. Intra-abdominal synovial sarcoma: a clinicopathological study. Histopathology. 2004 Sep; 45(3):245-53.
    View PubMed
  241. Billings SD, McKenney JK, Folpe AL, Hardacre MC, Weiss SW. Cutaneous angiosarcoma following breast-conserving surgery and radiation: an analysis of 27 cases. Am J Surg Pathol. 2004 Jun; 28(6):781-8.
    View PubMed
  242. Lyons LL, North PE, Mac-Moune Lai F, Stoler MH, Folpe AL, Weiss SW. Kaposiform hemangioendothelioma: a study of 33 cases emphasizing its pathologic, immunophenotypic, and biologic uniqueness from juvenile hemangioma. Am J Surg Pathol. 2004 May; 28(5):559-68.
    View PubMed
  243. Billings SD, Folpe AL. Cutaneous and subcutaneous fibrohistiocytic tumors of intermediate malignancy: an update. Am J Dermatopathol. 2004 Apr; 26(2):141-55.
    View PubMed
  244. Li MK, Folpe AL. CDX-2, a new marker for adenocarcinoma of gastrointestinal origin. Adv Anat Pathol. 2004 Mar; 11(2):101-5.
    View PubMed
  245. Billings SD, Walsh SV, Fisher C, Nusrat A, Weiss SW, Folpe AL. Aberrant expression of tight junction-related proteins ZO-1, claudin-1 and occludin in synovial sarcoma: an immunohistochemical study with ultrastructural correlation. Mod Pathol. 2004 Feb; 17(2):141-9.
    View PubMed
  246. Folpe AL, Fanburg-Smith JC, Billings SD, Bisceglia M, Bertoni F, Cho JY, Econs MJ, Inwards CY, Jan de Beur SM, Mentzel T, Montgomery E, Michal M, Miettinen M, Mills SE, Reith JD, O'Connell JX, Rosenberg AE, Rubin BP, Sweet DE, Vinh TN, Wold LE, Wehrli BM, White KE, Zaino RJ, Weiss SW. Most osteomalacia-associated mesenchymal tumors are a single histopathologic entity: an analysis of 32 cases and a comprehensive review of the literature. Am J Surg Pathol. 2004 Jan; 28: (1)1-30.
    View PubMed
  247. Logani S, Oliva E, Amin MB, Folpe AL, Cohen C, Young RH. Immunoprofile of ovarian tumors with putative transitional cell (urothelial) differentiation using novel urothelial markers: histogenetic and diagnostic implications. Am J Surg Pathol. 2003 Nov; 27(11):1434-41.
    View PubMed
  248. Campbell LK, Thomas JR, Lamps LW, Smoller BR, Folpe AL. Protein gene product 9.5 (PGP 9.5) is not a specific marker of neural and nerve sheath tumors: an immunohistochemical study of 95 mesenchymal neoplasms. Mod Pathol. 2003 Oct; 16(10):963-9.
    View PubMed
  249. Folpe AL, Reisenauer AK, Mentzel T, Rutten A, Solomon AR. Proliferating trichilemmal tumors: clinicopathologic evaluation is a guide to biologic behavior. J Cutan Pathol. 2003 Sep; 30(8):492-8.
    View PubMed
  250. Folpe AL, Weiss SW. Ossifying fibromyxoid tumor of soft parts: a clinicopathologic study of 70 cases with emphasis on atypical and malignant variants. Am J Surg Pathol. 2003 Apr; 27(4):421-31.
    View PubMed
  251. Cassarino DS, Milas M, Folpe AL. Bilateral intrathyroidal lymphoepithelial cysts. Arch Pathol Lab Med. 2003 Feb; 127(2):251-2.
    View PubMed
  252. Billings SD, Folpe AL, Weiss SW. Epithelioid sarcoma-like hemangioendothelioma. Am J Surg Pathol. 2003 Jan; 27(1):48-57.
    View PubMed
  253. Parker DC, Folpe AL, Bell J, Oliva E, Young RH, Cohen C, Amin MB. Potential utility of uroplakin III, thrombomodulin, high molecular weight cytokeratin, and cytokeratin 20 in noninvasive, invasive, and metastatic urothelial (transitional cell) carcinomas. Am J Surg Pathol. 2003 Jan; 27(1):1-10.
    View PubMed
  254. Lamps LW, Folpe AL. The diagnostic value of hepatocyte paraffin antibody 1 in differentiating hepatocellular neoplasms from nonhepatic tumors: a review. Adv Anat Pathol. 2003 Jan; 10(1):39-43.
    View PubMed
  255. Folpe AL, Billings SD, McKenney JK, Walsh SV, Nusrat A, Weiss SW. Expression of claudin-1, a recently described tight junction-associated protein, distinguishes soft tissue perineurioma from potential mimics. Am J Surg Pathol. 2002 Dec; 26(12):1620-6.
    View PubMed
  256. Beach R, Gown AM, De Peralta-Venturina MN, Folpe AL, Yaziji H, Salles PG, Grignon DJ, Fanger GR, Amin MB. P504S immunohistochemical detection in 405 prostatic specimens including 376 18-gauge needle biopsies. Am J Surg Pathol. 2002 Dec; 26(12):1588-96.
    View PubMed
  257. Folpe AL, McKenney JK, Bridge JA, Weiss SW. Sclerosing rhabdomyosarcoma in adults: report of four cases of a hyalinizing, matrix-rich variant of rhabdomyosarcoma that may be confused with osteosarcoma, chondrosarcoma, or angiosarcoma. Am J Surg Pathol. 2002 Sep; 26(9):1175-83.
    View PubMed
  258. Penner CR, Folpe AL, Budnick SD. C-kit expression distinguishes salivary gland adenoid cystic carcinoma from polymorphous low-grade adenocarcinoma. Mod Pathol. 2002 Jul; 15(7):687-91.
    View PubMed
  259. Folpe AL, McKenney JK, Li Z, Smith SJ, Weiss SW. Clear cell myomelanocytic tumor of the thigh: report of a unique case.[see comment]. Am J Surg Pathol. 2002 Jun; 26(6):809-12.
    View PubMed
  260. Folpe AL, Weiss SW. Lipoleiomyosarcoma (well-differentiated liposarcoma with leiomyosarcomatous differentiation): a clinicopathologic study of nine cases including one with dedifferentiation. Am J Surg Pathol. 2002 Jun; 26(6):742-9.
    View PubMed
  261. Folpe AL. MyoD1 and myogenin expression in human neoplasia: a review and update. Adv Anat Pathol. 2002 May; 9(3):198-203.
    View PubMed
  262. Jimenez RE, Folpe AL, Lapham RL, Ro JY, O'Shea PA, Weiss SW, Amin MB. Primary Ewing's sarcoma/primitive neuroectodermal tumor of the kidney: a clinicopathologic and immunohistochemical analysis of 11 cases. Am J Surg Pathol. 2002 Mar; 26(3):320-7.
    View PubMed
  263. Adam RA, Fink A, Preston MR, Folpe AL, Majmudar B. Large paravaginal angiomyofibroblastoma: an unusual clinical presentation. Journal of Pelvic Surgery. 2002; 8:50-2.
  264. Folpe AL. Low-grade fibromyxoid sarcoma. Pathol. Case Rev. 2002; 7:139-45.
  265. Arbiser ZK, Folpe AL, Weiss SW. Consultative (expert) second opinions in soft tissue pathology. Analysis of problem-prone diagnostic situations. Am J Clin Pathol. 2001 Oct; 116(4):473-6.
    View PubMed
  266. McKenney JK, Weiss SW, Folpe AL. CD31 expression in intratumoral macrophages: a potential diagnostic pitfall. Am J Surg Pathol. 2001 Sep; 25(9):1167-73.
    View PubMed
  267. Billings SD, Folpe AL, Weiss SW. Do leiomyomas of deep soft tissue exist? An analysis of highly differentiated smooth muscle tumors of deep soft tissue supporting two distinct subtypes. Am J Surg Pathol. 2001 Sep; 25(9):1134-42.
    View PubMed
  268. Chang KL, Folpe AL. Diagnostic utility of microphthalmia transcription factor in malignant melanoma and other tumors. Adv Anat Pathol. 2001 Sep; 8(5):273-5.
    View PubMed
  269. O'Reilly FM, Brat DJ, McAlpine BE, Grossniklaus HE, Folpe AL, Arbiser JL. Microphthalmia transcription factor immunohistochemistry: a useful diagnostic marker in the diagnosis and detection of cutaneous melanoma, sentinel lymph node metastases, and extracutaneous melanocytic neoplasms. J Am Acad Dermatol. 2001 Sep; 45(3):414-9.
    View PubMed
  270. Folpe AL, Chand EM, Goldblum JR, Weiss SW. Expression of Fli-1, a nuclear transcription factor, distinguishes vascular neoplasms from potential mimics. Am J Surg Pathol. 2001 Aug; 25(8):1061-6.
    View PubMed
  271. Jimenez RE, Eble JN, Reuter VE, Epstein JI, Folpe AL, de Peralta-Venturina M, Tamboli P, Ansell ID, Grignon DJ, Young RH, Amin MB. Concurrent angiomyolipoma and renal cell neoplasia: a study of 36 cases. Mod Pathol. 2001 Mar; 14(3):157-63.
    View PubMed
  272. Zavala-Pompa A, Folpe AL, Jimenez RE, Lim SD, Cohen C, Eble JN, Amin MB. Immunohistochemical study of microphthalmia transcription factor and tyrosinase in angiomyolipoma of the kidney, renal cell carcinoma, and renal and retroperitoneal sarcomas: comparative evaluation with traditional diagnostic markers. Am J Surg Pathol. 2001 Jan; 25(1):65-70.
    View PubMed
  273. Agoff SN, Folpe AL, Grieco VS, Garcia RL. Spindle cell lipoma of the oral cavity. Report of a rare intramuscular case with fine needle aspiration findings. Acta Cytol. 2001 Jan-Feb; 45(1):93-8.
    View PubMed
  274. Koch MB, Shih IM, Weiss SW, Folpe AL. Microphthalmia transcription factor and melanoma cell adhesion molecule expression distinguish desmoplastic/spindle cell melanoma from morphologic mimics. Am J Surg Pathol. 2001 Jan; 25(1):58-64.
    View PubMed
  275. Folpe AL, Fanburg-Smith JC, Miettinen M, Weiss SW. Atypical and malignant glomus tumors: analysis of 52 cases, with a proposal for the reclassification of glomus tumors. Am J Surg Pathol. 2001 Jan; 25(1):1-12.
    View PubMed
  276. Broski SM, Littrell LA, Howe BM, Folpe AL, Wenger DE. Extraneural perineurioma: CT and MRI imaging characteristics Skeletal Radiology. 2001 Jan 1; 49 (1):109-14
  277. Folpe AL, Hill CE, Parham DM, O'Shea PA, Weiss SW. Immunohistochemical detection of FLI-1 protein expression: a study of 132 round cell tumors with emphasis on CD99-positive mimics of Ewing's sarcoma/primitive neuroectodermal tumor. Am J Surg Pathol. 2000 Dec; 24(12):1657-62.
    View PubMed
  278. Folpe AL, Weiss SW. Paratesticular soft tissue neoplasms. Semin Diagn Pathol. 2000 Nov; 17(4):307-18.
    View PubMed
  279. Folpe AL, Johnston CA, Weiss SW. Cutaneous angiosarcoma arising in a gouty tophus: report of a unique case and a review of foreign material-associated angiosarcomas. Am J Dermatopathol. 2000 Oct; 22(5):418-21.
    View PubMed
  280. Folpe AL, Lane KL, Paull G, Weiss SW. Low-grade fibromyxoid sarcoma and hyalinizing spindle cell tumor with giant rosettes: a clinicopathologic study of 73 cases supporting their identity and assessing the impact of high-grade areas. Am J Surg Pathol. 2000 Oct; 24(10):1353-60.
    View PubMed
  281. Folpe AL, Goodman ZD, Ishak KG, Paulino AF, Taboada EM, Meehan SA, Weiss SW. Clear cell myomelanocytic tumor of the falciform ligament/ligamentum teres: a novel member of the perivascular epithelioid clear cell family of tumors with a predilection for children and young adults. Am J Surg Pathol. 2000 Sep; 24(9):1239-46.
    View PubMed
  282. Alvarado-Cabrero I, Folpe AL, Srigley JR, Gaudin P, Philip AT, Reuter VE, Amin MB. Intrarenal schwannoma: a report of four cases including three cellular variants. Mod Pathol. 2000 Aug; 13(8):851-6.
    View PubMed
  283. Lehr HA, Folpe A, Yaziji H, Kommoss F, Gown AM. Cytokeratin 8 immunostaining pattern and E-cadherin expression distinguish lobular from ductal breast carcinoma. Am J Clin Pathol. 2000 Aug; 114(2):190-6.
    View PubMed
  284. Folpe AL, Lyles RH, Sprouse JT, Conrad EU 3rd, Eary JF. (F-18) fluorodeoxyglucose positron emission tomography as a predictor of pathologic grade and other prognostic variables in bone and soft tissue sarcoma. Clin Cancer Res. 2000 Apr; 6(4):1279-87.
    View PubMed
  285. Agoff SN, Lamps LW, Philip AT, Amin MB, Schmidt RA, True LD, Folpe AL. Thyroid transcription factor-1 is expressed in extrapulmonary small cell carcinomas but not in other extrapulmonary neuroendocrine tumors. Mod Pathol. 2000 Mar; 13(3):238-42.
    View PubMed
  286. Folpe AL, Veikkola T, Valtola R, Weiss SW. Vascular endothelial growth factor receptor-3 (VEGFR-3): a marker of vascular tumors with presumed lymphatic differentiation, including Kaposi's sarcoma, kaposiform and Dabska-type hemangioendotheliomas, and a subset of angiosarcomas. Mod Pathol. 2000 Feb; 13(2):180-5.
    View PubMed
  287. Morris R, Sequeira J, Folpe A, Solomon A. Extraosseous Ewing's sarcoma (primitive neuroectodermal tumor) presenting in the skin. J Cutan Pathol. 2000; 27:566.
  288. Folpe AL, Weiss SW, Amin MB. Paratesticular soft tissue tumors. Semin Diagn Pathol (Review). 2000; 17: 307-18.
  289. Folpe AL. Practical applications of immunohistochemistry in the diagnosis of soft tissue neoplasms. Surg Oncol. 1999 Dec; 8(4):197-203.
    View PubMed
  290. Folpe AL, Devaney K, Weiss SW. Lipomatous hemangiopericytoma: a rare variant of hemangiopericytoma that may be confused with liposarcoma. Am J Surg Pathol. 1999 Oct; 23(10):1201-7.
    View PubMed
  291. Folpe AL, Morris RJ, Weiss SW. Soft tissue giant cell tumor of low malignant potential: a proposal for the reclassification of malignant giant cell tumor of soft parts. Mod Pathol. 1999 Sep; 12(9):894-902.
    View PubMed
  292. Folpe AL, Agoff SN, Willis J, Weiss SW. Parachordoma is immunohistochemically and cytogenetically distinct from axial chordoma and extraskeletal myxoid chondrosarcoma. Am J Surg Pathol. 1999 Sep; 23(9):1059-67.
    View PubMed
  293. Morris RJ, Folpe AL, Sharma S, Solomon AR. Regressing metastatic melanoma in a sentinel lymph node-nodal tumoral melanosis. J Cutan Pathol. 1999; 26:452.
  294. Folpe AL, Gown AM, Lamps LW, Garcia R, Dail DH, Zarbo RJ, Schmidt RA. Thyroid transcription factor-1: immunohistochemical evaluation in pulmonary neuroendocrine tumors. Mod Pathol. 1999 Jan; 12(1):5-8.
    View PubMed
  295. Folpe AL, Weiss SW, Fletcher CD, Gown AM. Tenosynovial giant cell tumors: evidence for a desmin-positive dendritic cell subpopulation. Mod Pathol. 1998 Oct; 11(10):939-44.
    View PubMed
  296. Folpe AL, Schmidt RA, Chapman D, Gown AM. Poorly differentiated synovial sarcoma: immunohistochemical distinction from primitive neuroectodermal tumors and high-grade malignant peripheral nerve sheath tumors. Am J Surg Pathol. 1998 Jun; 22(6):673-82.
    View PubMed
  297. Eary JF, Conrad EU, Bruckner JD, Folpe A, Hunt KJ, Mankoff DA, Howlett AT. Quantitative [F-18]fluorodeoxyglucose positron emission tomography in pretreatment and grading of sarcoma. Clin Cancer Res. 1998 May; 4(5):1215-20.
    View PubMed
  298. Folpe AL, Tsue T, Rogerson L, Weymuller E, Oda D, True LD. Odontogenic ghost cell carcinoma: a case report with immunohistochemical and ultrastructural characterization. J Oral Pathol Med. 1998 Apr; 27(4):185-9.
    View PubMed
  299. Cohn DE, Folpe AL, Gown AM, Goff BA. Mesothelial pelvic lymph node inclusions mimicking metastatic thyroid carcinoma. Gynecol Oncol. 1998 Feb; 68(2):210-3.
    View PubMed
  300. Folpe AL, Patterson K, Gown AM. Antibodies to desmin identify the blastemal component of nephroblastoma. Mod Pathol. 1997 Sep; 10(9):895-900.
    View PubMed
  301. Fisher JH II, Folpe AL, Richardson M. Extra-osseous Ewing's sarcoma presenting as an adrenal mass RSNA EJ. 1997; 1.
  302. Folpe AL, Patterson K, Gown AM. Anti-neuroblastoma antibody NB-84 also identifies a significant subset of other small blue round cell tumors. Appl. Immunohistochem. 1997; 5:239-45.
  303. Folpe A, Lapham LW, Smith HC. Herpes simplex myelitis as a cause of acute necrotizing myelitis syndrome. Neurology. 1994 Oct; 44(10):1955-7.
    View PubMed
PST-20514053