Publications Print Jasper S, Swicklik J, Baffour F, Ferrero A, El Sadaney AO, Shanblatt E, Nowak T, McCollough C, Rajendran K. Quantitative assessment of areal bone mineral density using multi-energy localizer radiographs from photon-counting detector CT. Phys Med Biol. 2024 Nov 12; 69 (22) View PubMed Shunhavanich P, Ferrero A, McCollough CH, Hsieh SS. A Generalizable Framework for Kidney Stone Composition Characterization Using Dual-Energy CT. Acad Radiol. 2024 Nov 4 Epub 2024 Nov 04 View PubMed El Sadaney AO, Ferrero A, Rajendran K, Jasper S, Mazza GL, Broski SM, Shanblatt E, Nowak T, Fletcher JG, McCollough CH, Baffour FI. Opportunistic Bone Mineral Density Measurement Using Photon-Counting Detector CT Spectral Localizer Images: A Prospective Study. AJR Am J Roentgenol. 2024 Oct 30 [Epub ahead of print] View PubMed Dutta A, Ferrero A, Rajendran K, Drake MT, Ou FS, Giri S, Fletcher JG, McCollough CH, Baffour FI. Correction to: Quantitative metrics of bone quality determined at the distal radius using photon‑counting CT. Skeletal Radiol. 2024 Sep 17 Epub 2024 Sept 17 View PubMed Dutta A, Ferrero A, Rajendran K, Drake MT, Ou FS, Giri S, Fletcher JG, McCollough CH, Baffour FI. Quantitative metrics of bone quality determined at the distal radius using photon-counting CT. Skeletal Radiol. 2024 Aug 9 Epub 2024 Aug 09 View PubMed Musa J, Parvinian A, Huber N, Ferrero A, Favazza C, Kurup A, Atwell T. Conventional and spectral- CT for renal cell carcinoma thermal ablation: A case report. Radiol Case Rep. 2024 Aug; 19 (8):3517-3521 Epub 2024 June 03 View PubMed Rajendran K, Bruesewitz M, Swicklik J, Ferrero A, Thorne J, Yu L, McCollough C, Leng S. Task-based automatic keV selection: leveraging routine virtual monoenergetic imaging for dose reduction on clinical photon-counting detector CT(). Phys Med Biol. 2024 May 21; 69 (11) View PubMed Zhang K, Ferrero A, In MH, Favazza CP. Thermometry mapping during CT-guided thermal ablations: proof of feasibility and internal validation using spectral CT. Phys Med Biol. 2024 May 21; 69 (11) View PubMed Yalon M, Sae-Kho T, Khanna A, Chang S, Andrist BR, Weber NM, Hoodeshenas S, Ferrero A, Glazebrook KN, McCollough CH, Baffour FI. Staging of breast cancer in the breast and regional lymph nodes using contrast-enhanced photon-counting detector CT: accuracy and potential impact on patient management. Br J Radiol. 2024 Jan 23; 97 (1153):93-97 View PubMed Zhang K, Ferrero A, In M, Favazza CP. Thermometry mapping during CT-guided thermal ablations: sensitivity and clinical feasibility using spectral CT. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2024; 12925:129251R Ferrero A, Powell GM, Adaaquah DK, Rajendran K, Thorne JE, Krych AJ, Horst KK, McCollough CH, Baffour FI. Feasibility of photon-counting CT for femoroacetabular impingement syndrome evaluation: lower radiation dose and improved diagnostic confidence. Skeletal Radiol. 2023 Sep; 52 (9):1651-1659 Epub 2023 Mar 27 View PubMed McCollough CH, Rajendran K, Baffour FI, Diehn FE, Ferrero A, Glazebrook KN, Horst KK, Johnson TF, Leng S, Mileto A, Rajiah PS, Schmidt B, Yu L, Flohr TG, Fletcher JG. Clinical applications of photon counting detector CT. Eur Radiol. 2023 Aug; 33 (8):5309-5320 Epub 2023 Apr 05 View PubMed Ahmed Z, Ferrero A, Ren L, Vrieze TJ, Rajendran K, Favazza CP, Yu L, Bruesewitz MR, McCollough CH, Leng S. Establishing a quality assurance program for photon counting detector (PCD) CT: Tips and caveats. J Appl Clin Med Phys. 2023 Jul; 24 (7):e14074 Epub 2023 June 19 View PubMed Sudhir Pillai P, Hsieh SS, Vercnocke AJ, Potretzke AM, Koo K, McCollough CH, Ferrero A. In Vivo Prediction of Kidney Stone Fragility Using Radiomics-Based Regression Models. J Endourol. 2023 Apr; 37 (4):443-452 Epub 2022 Dec 16 View PubMed Baffour FI, Glazebrook KN, Ferrero A, Leng S, McCollough CH, Fletcher JG, Rajendran K. Photon-Counting Detector CT for Musculoskeletal Imaging: A Clinical Perspective. AJR Am J Roentgenol. 2023 Apr; 220 (4):551-560 Epub 2022 Oct 19 View PubMed Cook J, Rajendran K, Ferrero A, Dhillon P, Kumar S, Baffour F. Photon counting detector computed tomography: a new frontier of myeloma bone disease evaluation. ACTA Haematologica. 2023; 146 (5):419-23 Cook J, Rajendran K, Ferrero A, Dhillon P, Kumar S, Baffour F. Photon Counting Detector Computed Tomography: A New Frontier of Myeloma Bone Disease Evaluation. Acta Haematol. 2023; 146 (5):419-423 Epub 2023 June 20 View PubMed Baffour FI, Huber NR, Ferrero A, Rajendran K, Glazebrook KN, Larson NB, Kumar S, Cook JM, Leng S, Shanblatt ER, McCollough CH, Fletcher JG. Photon-counting Detector CT with Deep Learning Noise Reduction to Detect Multiple Myeloma. Radiology. 2023 Jan; 306(1):229-236. Epub 2022 Sep 06. View PubMed Chiou TT, Meagher MF, Berger J, Chen TT, Ferrero A, Sur RL, Bechis SK. Software-estimated Stone Volume is Better Predictor of Spontaneous Passage for Acute Nephrolithiasis. J Endourol. 2022 Sep 15 Epub 2022 Sept 15 View PubMed Huber NR, Ferrero A, Rajendran K, Baffour F, Glazebrook KN, Diehn FE, Inoue A, Fletcher JG, Yu L, Leng S, McCollough CH. Dedicated convolutional neural network for noise reduction in ultra-high-resolution photon-counting detector computed tomography. Phys Med Biol. 2022 Sep 2; 67 (17) Epub 2022 Sept 02 View PubMed Esquivel A, Ferrero A, Mileto A, Baffour F, Horst K, Rajiah PS, Inoue A, Leng S, McCollough C, Fletcher JG. Photon-Counting Detector CT: Key Points Radiologists Should Know. Korean J Radiol. 2022 Sep; 23 (9):854-865 View PubMed Baffour FI, Ferrero A, Aird GA, Powell GM, Adkins MC, Bekele DI, Johnson MP, Fletcher JG, Glazebrook KN. Evolving Role of Dual-Energy CT in the Clinical Workup of Gout: A Retrospective Study. AJR Am J Roentgenol. 2022 Jun; 218 (6):1041-1050 Epub 2022 Jan 26 View PubMed Ren L, Ferrero A, Favazza C. Framework of metal insertion in the projection domain for image quality optimization in interventional computed tomography. J Med Imaging (Bellingham). 2022 May; 9 (3):035001 Epub 2022 June 17 View PubMed Jang S, Ferrero A, Foley TA, Atwell TD. Pulsatile Inferior Vena Cava Contrast Material Reflux in Carcinoid Heart Disease. Radiol Imaging Cancer. 2022 May; 4 (3):e220038 View PubMed Rajendran K, Petersilka M, Henning A, Shanblatt ER, Schmidt B, Flohr TG, Ferrero A, Baffour F, Diehn FE, Yu L, Rajiah P, Fletcher JG, Leng S, McCollough CH. First Clinical Photon-counting Detector CT System: Technical Evaluation. Radiology. 2022 Apr; 303 (1):130-138 Epub 2021 Dec 14 View PubMed Large T, Nottingham C, Brinkman E, Agarwal D, Ferrero A, Sourial M, Stern K, Rivera M, Knudsen B, Humphreys MR, Krambeck A. Multi-Institutional Prospective Randomized Control Trial of Novel Intracorporeal Lithotripters: ShockPulse-SE vs Trilogy Trial. J Endourol. 2021 Sep; 35 (9):1326-1332 Epub 2021 Aug 16 View PubMed Mohammadinejad P, Ferrero A, Bartlett DJ, Khandelwal A, Marcus R, Lieske JC, Moen TR, Mara KC, Enders FT, McCollough CH, Fletcher JG. Automated radiomic analysis of CT images to predict likelihood of spontaneous passage of symptomatic renal stones. Emerg Radiol. 2021 Aug; 28 (4):781-788 Epub 2021 Mar 01 View PubMed Fetterly KA, Ferrero A, Lewis BR, Anderson JH, Hagler DJ, Taggart NW. Radiation dose reduction for 3D angiography images in pediatric and congenital cardiology. Catheter Cardiovasc Interv. 2021 Mar; 97 (4):E502-E509 Epub 2020 Oct 05 View PubMed Ren L, Ferrero A, Favazza C. A framework of metal object insertion in the projection domain for interventional CT image quality optimization Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2021; 11598:115981F Zhou W, Michalak G, Weaver J, Ferrero A, Gong H, Fetterly KA, McCollough CH, Leng S. Determination of iodine detectability in different types of multiple-energy images for a photon-counting detector computed tomography system. J Med Imaging (Bellingham). 2019 Oct; 6 (4):043501 Epub 2019 Oct 15 View PubMed Moen T, Ferrero A, McCollough C. Robustness of Textural Features to Predict Stone Fragility Across Computed Tomography Acquisition and Reconstruction Parameters. Acad Radiol. 2019 Jul; 26 (7):885-892 Epub 2018 Oct 02 View PubMed Ferrero A, Takahashi N, Vrtiska TJ, Krambeck AE, Lieske JC, McCollough CH. Understanding, justifying, and optimizing radiation exposure for CT imaging in nephrourology. Nat Rev Urol. 2019 Apr; 16 (4):231-244 View PubMed Marcus RP, Fletcher JG, Ferrero A, Leng S, Halaweish AF, Gutjahr R, Vrtiska TJ, Wells ML, Enders FT, McCollough CH. Detection and Characterization of Renal Stones by Using Photon-Counting-based CT. Radiology. 2018 Nov; 289 (2):436-442 Epub 2018 Aug 07 View PubMed Ferrero A, Gutjahr R, Halaweish AF, Leng S, McCollough CH. Characterization of Urinary Stone Composition by Use of Whole-body, Photon-counting Detector CT. Acad Radiol. 2018 Oct; 25 (10):1270-1276 Epub 2018 Feb 14 View PubMed Zhou W, Montoya J, Gutjahr R, Ferrero A, Halaweish A, Kappler S, McCollough C, Leng S. Lung nodule volume quantification and shape differentiation with an ultra-high resolution technique on a photon-counting detector computed tomography system. J Med Imaging (Bellingham). 2017 Oct; 4 (4):043502 Epub 2017 Nov 16 View PubMed Favazza CP, Ferrero A, Yu L, Leng S, McMillan KL, McCollough CH. Use of a channelized Hotelling observer to assess CT image quality and optimize dose reduction for iteratively reconstructed images. J Med Imaging (Bellingham). 2017 Jul; 4 (3):031213 Epub 2017 Oct 03 View PubMed Ferrero A, Chen B, Li Z, Yu L, McCollough C. Technical Note: Insertion of digital lesions in the projection domain for dual-source, dual-energy CT. Med Phys. 2017 May; 44 (5):1655-1660 Epub 2017 Apr 17 View PubMed Ferrero A, Montoya JC, Vaughan LE, Huang AE, McKeag IO, Enders FT, Williams JC Jr, McCollough CH. Quantitative Prediction of Stone Fragility From Routine Dual Energy CT: Ex vivo proof of Feasibility. Acad Radiol. 2016 Dec; 23 (12):1545-1552 Epub 2016 Oct 04 View PubMed Chaudhari AJ, Ferrero A, Godinez F, Yang K, Shelton DK, Hunter JC, Naguwa SM, Boone JM, Raychaudhuri SP, Badawi RD. High-resolution (18)F-FDG PET/CT for assessing disease activity in rheumatoid and psoriatic arthritis: findings of a prospective pilot study. Br J Radiol. 2016 Jul; 89 (1063):20160138 Epub 2016 Apr 25 View PubMed Ferrero A , Peng Q , G Burkett Jr. , B Sumanasena , WW Moses , RD Badawi . Preliminary performance characterization of DbPET2.1, a PET scanner dedicated to the imaging of the breast and extremities Biomedical Physics Engineering Express. 2015; 1. L Yang , A Ferrero , RJ Hagge , RD Badawi , J QI . Evaluation of penalty design in penalized maximum-likelihood image reconstruction for lesion detection Journal of Medical Imaging. 2014. Santos J , AJ Chaudhari , AA Joshi, Ferrero A , K Yang , JM Boone , RD Badawi . Non-rigid registration of serial dedicated breast CT, longitudinal dedicated breast CT and PET/CT images, using the diffeomorphic demons method Physica Medica. 2014. L Yang , J Zhou , Ferrero A , RD Badawi, J Qi. Regularization design in penalized maximum likelihood image reconstruction for lesion detection in 3D PET Physics in Medicine and Biology. 2014. SL Bowen , Ferrero A , RD Badawi. Quantification with a dedicated breast PET/CT scanner Medical Physics. 2012. Ferrero A, JK Poon, AJ Chaudhari, LR MacDonald, RD Badawi. Effect of object size on scatter fraction estimation methods for PET — a computer simulation study IEEE Transactions. 2011. PST-20432257 Home Publications