Publications Print Lam JP, Alexander LF, Haley WE, William HE, Hodge DO, Kofler JM, Morin RL, Thiel DD, Cernigliaro JG. In Vivo Comparison of Radiation Exposure in Third-Generation vs Second-Generation Dual-Source Dual-Energy CT for Imaging Urinary Calculi. J Endourol. 2021 Nov; 35 (11):1581-1585 View PubMed Long Z, Bruesewitz MR, DeLone DR, Morris JM, Amrami KK, Adkins MC, Glazebrook KN, Kofler JM, Leng S, McCollough CH, Fletcher JG, Halaweish AF, Yu L. Evaluation of projection- and dual-energy-based methods for metal artifact reduction in CT using a phantom study. J Appl Clin Med Phys. 2018 Jul; 19 (4):252-260 Epub 2018 May 10 View PubMed Yu L, Chen B, Kofler JM, Favazza CP, Leng S, Kupinski MA, McCollough CH. Correlation between a 2D channelized Hotelling observer and human observers in a low-contrast detection task with multislice reading in CT. Med Phys. 2017 Aug; 44 (8):3990-3999 Epub 2017 July 13 View PubMed Long Z, Bruesewitz MR, Sheedy EN, Powell MA, Kramer JC, Supalla RR, Colvin CM, Bechel JR, Favazza CP, Kofler JM, Leng S, McCollough CH, Yu L. Technical Note: Display window setting: An important factor for detecting subtle but clinically relevant artifacts in daily CT quality control. Med Phys. 2016 Dec; 43(12):6413. View PubMed Langer SG, Graner BD, Schueler BA, Fetterly KA, Kofler JM, Mandrekar JN, Bartholmai BJ. Sensitivity of Thoracic Digital Tomosynthesis (DTS) for the Identification of Lung Nodules. J Digit Imaging. 2016 Feb; 29 (1):141-7 View PubMed Favazza CP, Duan X, Zhang Y, Yu L, Leng S, Kofler JM, Bruesewitz MR, McCollough CH. A cross-platform survey of CT image quality and dose from routine abdomen protocols and a method to systematically standardize image quality. Phys Med Biol. 2015 Nov 7; 60 (21):8381-97 Epub 2015 Oct 13 View PubMed McCollough CH, Yu L, Kofler JM, Leng S, Zhang Y, Li Z, Carter RE. Degradation of CT Low-Contrast Spatial Resolution Due to the Use of Iterative Reconstruction and Reduced Dose Levels. Radiology. 2015 Aug; 276 (2):499-506 Epub 2015 Mar 26 View PubMed Kofler JM, Yu L, Leng S, Zhang Y, Li Z, Carter RE, McCollough CH. Assessment of Low-Contrast Resolution for the American College of Radiology Computed Tomographic Accreditation Program: What Is the Impact of Iterative Reconstruction? J Comput Assist Tomogr. 2015 Jul-Aug; 39 (4):619-23 View PubMed Favazza CP, Yu L, Leng S, Kofler JM, McCollough CH. Automatic exposure control systems designed to maintain constant image noise: effects on computed tomography dose and noise relative to clinically accepted technique charts. J Comput Assist Tomogr. 2015 May-Jun; 39 (3):437-42 View PubMed Trattner S, Pearson GDN, Chin C, Cody DD, Gupta R, Hess CP, Kalra MK, Kofler JM Jr, Krishnam MS, Einstein AJ. Standardization and optimization of CT protocols to achieve low dose. J Am Coll Radiol. 2014 Mar; 11 (3):271-278 View PubMed Kofler JM, Cody DD, Morin RL. CT protocol review and optimization. J Am Coll Radiol. 2014 Mar; 11 (3):267-70 View PubMed Kofler JM Jr, Jordan DW, Orton CG. PointCounterpoint. Exposure tracking for x-ray imaging is a bad idea. Med Phys. 2014 Jan; 41: (1)010601. View PubMed Yu L, Leng S, Chen L, Kofler JM, Carter RE, McCollough CH. Prediction of human observer performance in a 2-alternative forced choice low-contrast detection task using channelized Hotelling observer: impact of radiation dose and reconstruction algorithms. Med Phys. 2013 Apr; 40 (4):041908 View PubMed Fletcher JG, Kofler JM, Coburn JA, Bruining DH, McCollough CH. Perspective on radiation risk in CT imaging. Abdom Imaging. 2013 Feb; 38(1):22-31. View PubMed Christner JA, Braun NN, Jacobsen MC, Carter RE, Kofler JM, McCollough CH. Size-specific dose estimates for adult patients at CT of the torso. Radiology. 2012 Dec; 265 (3):841-7 Epub 2012 Oct 22 View PubMed Laack TA, Thompson KM, Kofler JM, Bellolio MF, Sawyer MD, Laack NN. Comparison of trauma mortality and estimated cancer mortality from computed tomography during initial evaluation of intermediate-risk trauma patients. J Trauma. 2011 Jun; 70 (6):1362-5 View PubMed Yu L, Bruesewitz MR, Thomas KB, Fletcher JG, Kofler JM, McCollough CH. Optimal tube potential for radiation dose reduction in pediatric CT: principles, clinical implementations, and pitfalls. Radiographics. 2011 May-Jun; 31 (3):835-48 View PubMed Siddiki H, Fletcher JG, Hara AK, Kofler JM, McCollough CH, Fidler JL, Guimaraes L, Huprich JE, Sandborn WJ, Loftus EV Jr, Mandrekar J, Bruining DH. Validation of a lower radiation computed tomography enterography imaging protocol to detect Crohn's disease in the small bowel. Inflamm Bowel Dis. 2011 Mar; 17 (3):778-86 View PubMed McCollough CH, Christner JA, Kofler JM. How effective is effective dose as a predictor of radiation risk? AJR Am J Roentgenol. 2010 Apr; 194(4):890-6. View PubMed Christner JA, Kofler JM, McCollough CH. Estimating effective dose for CT using dose-length product compared with using organ doses: consequences of adopting International Commission on Radiological Protection publication 103 or dual-energy scanning. AJR Am J Roentgenol. 2010 Apr; 194 (4):881-9 View PubMed Yu L, Vrieze TJ, Bruesewitz MR, Kofler JM, DeLone DR, Pallanch JF, Lindell EP, McCollough CH. Dose and image quality evaluation of a dedicated cone-beam CT system for high-contrast neurologic applications. AJR Am J Roentgenol. 2010 Feb; 194(2):W193-201. View PubMed Manduca A, Yu L, Trzasko JD, Khaylova N, Kofler JM, McCollough CM, Fletcher JG. Projection space denoising with bilateral filtering and CT noise modeling for dose reduction in CT. Med Phys. 2009 Nov; 36 (11):4911-9 View PubMed Yu L, Li H, Mueller J, Kofler JM, Liu X, Primak AN, Fletcher JG, Guimaraes LS, Macedo T, McCollough CH. Metal artifact reduction from reformatted projections for hip prostheses in multislice helical computed tomography: techniques and initial clinical results. Invest Radiol. 2009 Nov; 44 (11):691-6 View PubMed Yu L, Liu X, Leng S, Kofler JM, Ramirez-Giraldo JC, Qu M, Christner J, Fletcher JG, McCollough CH. Radiation dose reduction in computed tomography: techniques and future perspective. Imaging Med. 2009 Oct; 1 (1):65-84 View PubMed Vrtiska TJ, Hartman RP, Kofler JM, Bruesewitz MR, King BF, McCollough CH. Spatial resolution and radiation dose of a 64-MDCT scanner compared with published CT urography protocols. AJR Am J Roentgenol. 2009 Apr; 192: (4)941-8. View PubMed McCollough CH, Primak AN, Braun N, Kofler J, Yu L, Christner J. Strategies for reducing radiation dose in CT. Radiol Clin North Am. 2009 Jan; 47 (1):27-40 View PubMed Pfeiffer D, Sutlief S, Feng W, Pierce HM, Kofler J. AAPM Task Group 128: quality assurance tests for prostate brachytherapy ultrasound systems. Med Phys. 2008 Dec; 35(12):5471-89. View PubMed Hough DM, Kuntz MA, Fidler JL, Johnson CD, Petersen BT, Kofler JM, Fletcher JG. Detection of occult colonic perforation before CT colonography after incomplete colonoscopy: perforation rate and use of a low-dose diagnostic scan before CO2 insufflation. AJR Am J Roentgenol. 2008 Oct; 191: (4)1077-81. View PubMed Peloquin JM, Pardi DS, Sandborn WJ, Fletcher JG, McCollough CH, Schueler BA, Kofler JA, Enders FT, Achenbach SJ, Loftus EV Jr. Diagnostic ionizing radiation exposure in a population-based cohort of patients with inflammatory bowel disease. Am J Gastroenterol. 2008 Aug; 103 (8):2015-22 Epub 2008 June 28 View PubMed McCollough CH, Bruesewitz MR, Kofler JM Jr. CT dose reduction and dose management tools: overview of available options. Radiographics. 2006 Mar-Apr; 26 (2):503-12 View PubMed Gorny KR, Leitzen SL, Bruesewitz MR, Kofler JM, Hangiandreou NJ, McCollough CH. The calibration of experimental self-developing Gafchromic HXR film for the measurement of radiation dose in computed tomography. Med Phys. 2005 Apr; 32: (4)1010-6. View PubMed Kofler JM, Lindstrom MJ, Kelcz F, Madsen EL. Association of automated and human observer lesion detecting ability using phantoms. Ultrasound Med Biol. 2005 Mar; 31(3):351-9. View PubMed Kofler JM Jr, Madsen EL. Improved method for determining resolution zones in ultrasound phantoms with spherical simulated lesions. Ultrasound Med Biol. 2001 Dec; 27 (12):1667-76 View PubMed Ngutter LK, Kofler JM, McCollough CH, Vetter RJ. Update on patient radiation doses at a large tertiary care medical center. Health Phys. 2001 Nov; 81 (5):530-5 View PubMed Choudhry S, Gorman B, Charboneau JW, Tradup DJ, Beck RJ, Kofler JM, Groth DS. Comparison of tissue harmonic imaging with conventional US in abdominal disease. Radiographics. 2000 Jul-Aug; 20 (4):1127-35 View PubMed Kofler JM, Mohlke ML, Vrieze TJ. Techniques for measuring radiographic repeat rates. Health Phys. 1999 Feb; 76 (2):191-4 View PubMed Goodsitt MM, Carson PL, Witt S, Hykes DL, Kofler JM Jr. Real-time B-mode ultrasound quality control test procedures. Report of AAPM Ultrasound Task Group No. 1. Med Phys. 1998 Aug; 25(8):1385-406. View PubMed Kanal KM, Kofler JM, Groth DS. Comparison of selected ultrasound performance tests with varying overall receiver gain and dynamic range, using conventional and magnified field of view. Med Phys. 1998 May; 25: (5)642-7. View PubMed Langer SG, Kofler J. A series of teaching phantoms for displaying diagnostic ultrasound image artifacts. J of Diagnostic Medical Sonography. 1997; 13:22-7. Kofler JM Jr, Gray JE, Cesar LJ. Use of personal computers and digitized film angiograms to produce subtraction angiograms. Radiographics. 1996 Mar; 16(2):401-7. View PubMed Kofler JM Jr, Gray JE, Fuelberth JT, Taubel JP. Quantitative evaluation of low-cost frame-grabber boards for personal computers. J Digit Imaging. 1995 Nov; 8 (4):191-7 View PubMed Groth DS, Zink FE, Felmlee JP, Kofler JM Jr, James EM, Lindsey JR, Pavlicek W. Blood flow velocity measurements: a comparison of 25 clinical ultrasonographic units. J Ultrasound Med. 1995 Apr; 14 (4):273-7 View PubMed Kofler JM Jr, Gray JE, Daly TR. Spatial and temporal response characteristics of ionization chambers used in diagnostic radiology for exposure measurements and quality control. Health Phys. 1994 Dec; 67 (6):661-7 View PubMed Kofler JM, Gray JE, Cesar LJ. Use of personal computers and digitized angiograms to produce subtraction angiograms. (Space 492ph). Radiology. 1994; 193(P)(Suppl):429. Kofler JM Jr, Morin RL, Johnson CM. Performance testing of a dedicated magnetic resonance peripheral blood flow scanner. Med Phys. 1991 Sep-Oct; 18: (5)1057-62. View PubMed Vetter RJ, Gray JE, Kofler JM. Patient radiation doses at a large tertiary care medical center. Radiat Prot Dosimetry. 1991; 36:247-51. Kofler JM, Gray JE. Sensitometric responses of selected medical radiographic films. Radiology. 1991; 181:879-883. PST-20225165 Home Publications