Ronald Zagoria, MD

Vice Chair, Clinical Affairs
Chief of Abdominal Imaging


Ronald Zagoria, MD, FACR, is a Professor in Residence and Chief of the Abdominal Imaging section in the Department of Radiology and Biomedical Imaging at the University of California, San Francisco. He earned his medical degree from the University of Maryland School of Medicine, Baltimore, Maryland. In 1987, he completed a four-year Diagnostic Radiology residency, as well as a fellowship in Abdominal Imaging and Interventional Radiology from the Bowman Gray School of Medicine in Winston-Salem, North Carolina. Dr. Zagoria was Vice-Chair and Head of the Abdominal Radiology Section (2000-2011), and he chaired as an interim in the Department of Radiology at Wake Forest University School of Medicine in Winston-Salem, North Carolina, from 2011-2012. In June 2013, Dr. Zagoria accepted the position of Professor in Residence and Chief of Abdominal Imaging at UCSF. As of December 2013, Dr. Zagoria accepted the position of Vice-chair of Clinical Affairs.

Dr. Zagoria is a fellow in the American College of Radiology, the Society of Abdominal Radiology, and the European Society of Uroradiology. He formerly served on and chaired the Residency Review Committee for Diagnostic Radiology. Dr. Zagoria was the President of the Society of Uroradiology and of the Association of Program Directors in Radiology. He was the first Vice President of the RSNA, and he is the Editor-in-Chief of the Emergency Radiology.

Dr. Zagoria has been appointed Principal and Co-Principal Investigator on several research grant projects. He has been invited to over 300 lectures and presentations, and he has written over 300 publications, which includes textbooks, book chapters, journal articles, and abstracts.

Abdominal Imaging


Professional Interests:
Uro-oncology, urolithiasis, infertility, imaging and treatment, and contrast materials

Education and Training:
• Medical School: University of Maryland School of Medicine, Baltimore
• Residency: Bowman Gray School of Medicine, Winston-Salem, North Carolina
• Fellowship: Bowman Gray School of Medicine, Winston-Salem, North Carolina - Abdominal Imaging and Interventional Radiology
• American Board of Radiology Certification
• American Board of Radiology Certificate of Added Qualifications in Vascular and Interventional Radiology


2018 - Diversity, Equity, and Inclusion Champion Training, University of California
M.D., 1983 - School of Medicine, University of Maryland

Honors and Awards

Vice-Chair of Clinical Affairs, University of California, San Francisco, 2013
Award For Teaching Excellence, Bowman Gray School of Medicine, 2000
Fellowship, American College of Radiology, 1999
Fellowship in Radiology Journalism, American Roentgen Ray Society, 1995
Bowman Gray School of Medicine, Award for Teaching Excellence, 1993
Outstanding Radiology Resident, Bowman Gray School of Medicine Wake Forest University, 1987
Chief Resident, Bowman Gray School of Medicine Wake Forest University, 1986-1987
Alpha Omega Alpha Medical Honor Society, 1983


Sanghvi K, Wang Y, Daemen J, Mathur A, Jain A, Dohad S, Sapoval M, Azizi M, Mahfoud F, Lurz P, Sayer J, Levy T, Zagoria R, Loening AM, Coleman L, Craig D, Horesh-Bar M, Kirtane AJ. Renal artery variations in patients with mild-to-moderate hypertension from the RADIANCE-HTN SOLO trial. Cardiovasc Revasc Med. 2021 Sep 30.
Pan S, Baal JD, Chen WC, Baal U, Pai JS, Baal JH, Zagoria R. Image-Guided Percutaneous Ablation of Adrenal Metastases: A Meta-Analysis of Efficacy and Safety. J Vasc Interv Radiol. 2021 04; 32(4):527-535.e1.
Mussi TC, Baroni RH, Zagoria RJ, Westphalen AC. Prostate magnetic resonance imaging technique. Abdom Radiol (NY). 2020 07; 45(7):2109-2119.
Loloi J, Shingleton WB, Nakada SY, Zagoria RJ, Landman J, Lee BR, Matin SF, Ahrar K, Leveillee RJ, Cadeddu JA, Raman JD. Management of Residual or Recurrent Disease Following Thermal Ablation of Renal Cortical Tumors. J Kidney Cancer VHL. 2020 Jun; 7(2):1-5.
Knox J, Kohlbrenner R, Kolli K, Fidelman N, Kohi MP, Lehrman E, Lokken RP, Zagoria R, Kerlan RK, LaBerge J, Taylor AG. Intermediate to Long-Term Clinical Outcomes of Percutaneous Cryoablation for Renal Masses. J Vasc Interv Radiol. 2020 Aug; 31(8):1242-1248.
Westphalen AC, McCulloch CE, Anaokar JM, Arora S, Barashi NS, Barentsz JO, Bathala TK, Bittencourt LK, Booker MT, Braxton VG, Carroll PR, Casalino DD, Chang SD, Coakley FV, Dhatt R, Eberhardt SC, Foster BR, Froemming AT, Fütterer JJ, Ganeshan DM, Gertner MR, Mankowski Gettle L, Ghai S, Gupta RT, Hahn ME, Houshyar R, Kim C, Kim CK, Lall C, Margolis DJA, McRae SE, Oto A, Parsons RB, Patel NU, Pinto PA, Polascik TJ, Spilseth B, Starcevich JB, Tammisetti VS, Taneja SS, Turkbey B, Verma S, Ward JF, Warlick CA, Weinberger AR, Yu J, Zagoria RJ, Rosenkrantz AB. Variability of the Positive Predictive Value of PI-RADS for Prostate MRI across 26 Centers: Experience of the Society of Abdominal Radiology Prostate Cancer Disease-focused Panel. Radiology. 2020 07; 296(1):76-84.
Huynh K, Baghdanian AH, Baghdanian AA, Sun DS, Kolli KP, Zagoria RJ. Updated guidelines for intravenous contrast use for CT and MRI. Emerg Radiol. 2020 Apr; 27(2):115-126.
Kelley RP, Zagoria RJ, Nguyen HG, Shinohara K, Westphalen AC. The use of prostate MR for targeting prostate biopsies. BJR Open. 2019; 1(1):20180044.
Laguna B, Westphalen AC, Guimarães CT, Whang Z, Simko J, Zagoria R. Uncommon malignant renal tumors and atypical presentation of common ones: a guide for radiologists. Abdom Radiol (NY). 2019 04; 44(4):1430-1452.
Zagoria RJ. Emergency Radiology: its first 25 years: accomplishments to celebrate. Emerg Radiol. 2018 Dec; 25(6):613-614.
Jordan EJ, Fiske C, Zagoria R, Westphalen AC. PI-RADS v2 and ADC values: is there room for improvement? Abdom Radiol (NY). 2018 11; 43(11):3109-3116.
Jha P, Yeh BM, Zagoria R, Collisson E, Wang ZJ. The Role of MR Imaging in Pancreatic Cancer. Magn Reson Imaging Clin N Am. 2018 Aug; 26(3):363-373.
Wang ZJ, Westphalen AC, Zagoria RJ. CT and MRI of small renal masses. Br J Radiol. 2018 Jul; 91(1087):20180131.
Calabrese E, Baghdanian AH, Zagoria RJ, Behr SC. Arteriovenous malformation of the ureter diagnosed by CT urogram. Urol Case Rep. 2018 Jul; 19:20-22.
Marcus SG, Candia S, Kohli MD, Mongan J, Zagoria RJ, Behr SC, Sun D, Westphalen AC. Association between misty mesentery with baseline or new diagnosis of cancer: a matched cohort study. Clin Imaging. 2018 Jul - Aug; 50:57-61.
Jordan EJ, Fiske C, Zagoria RJ, Westphalen AC. Evaluating the performance of PI-RADS v2 in the non-academic setting. Abdom Radiol (NY). 2017 11; 42(11):2725-2731.
Wang ZJ, Zagoria RJ. Invited Commentary on "Differentiation of Solid Renal Tumors with Multiparametric MR Imaging". Radiographics. 2017 Nov-Dec; 37(7):2042-2044.
Garcia-Reyes K, Nguyen HG, Zagoria RJ, Shinohara K, Carroll PR, Behr SC, Westphalen AC. Impact of Lesion Visibility on Transrectal Ultrasound on the Prediction of Clinically Significant Prostate Cancer (Gleason Score 3 + 4 or Greater) with Transrectal Ultrasound-Magnetic Resonance Imaging Fusion Biopsy. J Urol. 2018 03; 199(3):699-705.
Lake ST, Greene KL, Westphalen AC, Behr SC, Zagoria R, Small EJ, Carroll PR, Hope TA. Optimal MRI sequences for 68Ga-PSMA-11 PET/MRI in evaluation of biochemically recurrent prostate cancer. EJNMMI Res. 2017 Sep 19; 7(1):77.
Leapman MS, Wang ZJ, Behr SC, Kurhanewicz J, Zagoria RJ, Carroll PR, Westphalen AC. Impact of the integration of proton magnetic resonance imaging spectroscopy to PI-RADS 2 for prediction of high grade and high stage prostate cancer. Radiol Bras. 2017 Sep-Oct; 50(5):299-307.
Jha P, Bentley B, Behr S, Yee J, Zagoria R. Imaging of flank pain: readdressing state-of-the-art. Emerg Radiol. 2017 Feb; 24(1):81-86.
Winklhofer S, Lambert JW, Wang ZJ, Sun Y, Gould RG, Zagoria RJ, Yeh BM. Reduction of peristalsis-related gastrointestinal streak artifacts with dual-energy CT: a patient and phantom study. Abdom Radiol (NY). 2016 08; 41(8):1456-65.
Westphalen AC, Verma S, Zagoria RJ. Is it time for prostate MRI certification? Abdom Radiol (NY). 2016 05; 41(5):799-800.
Starobinets O, Korn N, Iqbal S, Noworolski SM, Zagoria R, Kurhanewicz J, Westphalen AC. Practical aspects of prostate MRI: hardware and software considerations, protocols, and patient preparation. Abdom Radiol (NY). 2016 05; 41(5):817-30.
Kohli M, Mayo-Smith W, Zagoria R, Sandrasegaran K. Image-guided intervention in the coagulopathic patient. Abdom Radiol (NY). 2016 04; 41(4):667-76.
Zagoria R. Emergency Radiology goes international. Emerg Radiol. 2016 Feb; 23(1):1.
Westphalen AC, Noworolski SM, Harisinghani M, Jhaveri KS, Raman SS, Rosenkrantz AB, Wang ZJ, Zagoria RJ, Kurhanewicz J. High-Resolution 3-T Endorectal Prostate MRI: A Multireader Study of Radiologist Preference and Perceived Interpretive Quality of 2D and 3D T2-Weighted Fast Spin-Echo MR Images. AJR Am J Roentgenol. 2016 Jan; 206(1):86-91.
Zagoria R. Emergency Radiology: what is different in children? Emerg Radiol. 2015 Sep; 22 Suppl 1:1.
Childs DD, Clingan MJ, Zagoria RJ, Sirintrapun J, Tangtiang K, Anderson A, Leyendecker JR. In-phase signal intensity loss in solid renal masses on dual-echo gradient-echo MRI: association with malignancy and pathologic classification. AJR Am J Roentgenol. 2014 Oct; 203(4):W421-8.
Allen BC, Chen MY, Childs DD, Zagoria RJ. Imaging-guided radiofrequency ablation of cystic renal neoplasms. AJR Am J Roentgenol. 2013 Jun; 200(6):1365-9.
Davis IC, Heilbrun ME, Tangtiang K, Childs DD, Zagoria RJ. Computed tomography-guided renal tumor biopsies: tumor imaging features affecting sample adequacy. J Comput Assist Tomogr. 2013 Mar-Apr; 37(2):171-5.
Gupta P, Allen BC, Chen MY, Childs DD, Kota G, Zagoria RJ. Renal function outcomes for multifocal renal neoplasms managed by radiofrequency ablation. Cardiovasc Intervent Radiol. 2013 Oct; 36(5):1329-35.
Zagoria RJ, Childs DD. Update on thermal ablation of renal cell carcinoma: oncologic control, technique comparison, renal function preservation, and new modalities. Curr Urol Rep. 2012 Feb; 13(1):63-9.
Heilbrun ME, Yu J, Smith KJ, Dechet CB, Zagoria RJ, Roberts MS. The cost-effectiveness of immediate treatment, percutaneous biopsy and active surveillance for the diagnosis of the small solid renal mass: evidence from a Markov model. J Urol. 2012 Jan; 187(1):39-43.
Parks GE, Perkins LA, Zagoria RJ, Garvin AJ, Sirintrapun SJ, Geisinger KR. Benefits of a combined approach to sampling of renal neoplasms as demonstrated in a series of 351 cases. Am J Surg Pathol. 2011 Jun; 35(6):827-35.
Zagoria RJ, Pettus JA, Rogers M, Werle DM, Childs D, Leyendecker JR. Long-term outcomes after percutaneous radiofrequency ablation for renal cell carcinoma. Urology. 2011 Jun; 77(6):1393-7.
Georgiades CS, Rodriguez R, Littrup PJ, Frangakis CE, Leveille R, Ahrar K, Atwell TD, Cadeddu J, Trimmer C, Durack JC, Hammers HJ, Meng MV, Raman S, Solomon SB, Zagoria RJ, McLennan G, Laberge JM, Gervais DA, Kee ST. Development of a research agenda for percutaneous renal tumor ablation: proceedings from a multidisciplinary research consensus panel. J Vasc Interv Radiol. 2010 Dec; 21(12):1807-16.
Pettus JA, Werle DM, Saunders W, Hemal A, Kader AK, Childs D, Zagoria RJ. Percutaneous radiofrequency ablation does not affect glomerular filtration rate. J Endourol. 2010 Oct; 24(10):1687-91.
Uppot RN, Silverman SG, Zagoria RJ, Tuncali K, Childs DD, Gervais DA. Imaging-guided percutaneous ablation of renal cell carcinoma: a primer of how we do it. AJR Am J Roentgenol. 2009 Jun; 192(6):1558-70.
Patel NP, Geisinger KR, Zagoria RJ, Bergman S. Fine needle aspiration biopsy of metanephric adenoma: a case report. Acta Cytol. 2009 May-Jun; 53(3):327-31.
Zagoria RJ, Dixon RL. Radiology of urolithiasis: implications of radiation exposure and new imaging modalities. Adv Chronic Kidney Dis. 2009 Jan; 16(1):48-51.
Krehbiel K, Ahmad A, Leyendecker J, Zagoria R. Thermal ablation: update and technique at a high-volume institution. Abdom Imaging. 2008 Nov-Dec; 33(6):695-706.
Leyendecker JR, Barnes CE, Zagoria RJ. MR urography: techniques and clinical applications. Radiographics. 2008 Jan-Feb; 28(1):23-46; discussion 46-7.
Zagoria RJ, Traver MA, Werle DM, Perini M, Hayasaka S, Clark PE. Oncologic efficacy of CT-guided percutaneous radiofrequency ablation of renal cell carcinomas. AJR Am J Roentgenol. 2007 Aug; 189(2):429-36.
Heilbrun ME, Zagoria RJ, Garvin AJ, Hall MC, Krehbiel K, Southwick A, Clark PE. CT-guided biopsy for the diagnosis of renal tumors before treatment with percutaneous ablation. AJR Am J Roentgenol. 2007 Jun; 188(6):1500-5.
Syvanthong C, Wile GE, Zagoria RJ. Effect of radiofrequency ablation of renal tumors on renal function in patients with a solitary kidney. AJR Am J Roentgenol. 2007 Jun; 188(6):1619-21.
Clark PE, Woodruff RD, Zagoria RJ, Hall MC. Microwave ablation of renal parenchymal tumors before nephrectomy: phase I study. AJR Am J Roentgenol. 2007 May; 188(5):1212-4.
Shen P, Geisinger KR, Zagoria R, Levine EA. Pathologic correlation study of microwave coagulation therapy for hepatic malignancies using a three-ring probe. J Gastrointest Surg. 2007 May; 11(5):603-11.
Wile GE, Leyendecker JR, Krehbiel KA, Dyer RB, Zagoria RJ. CT and MR imaging after imaging-guided thermal ablation of renal neoplasms. Radiographics. 2007 Mar-Apr; 27(2):325-39; discussion 339-40.
Zagoria RJ, Gasser T, Leyendecker JR, Bechtold RE, Dyer RB. Differentiation of renal neoplasms from high-density cysts: use of attenuation changes between the corticomedullary and nephrographic phases of computed tomography. J Comput Assist Tomogr. 2007 Jan-Feb; 31(1):37-41.
Zagoria RJ. "Percutaneous RF interstitial thermal ablation in the treatment of hepatic cancer"-- a commentary. AJR Am J Roentgenol. 2006 Nov; 187(5):1149-50.
Matin SF, Ahrar K, Cadeddu JA, Gervais DA, McGovern FJ, Zagoria RJ, Zagoria RA, Uzzo RG, Haaga J, Resnick MI, Kaouk J, Gill IS. Residual and recurrent disease following renal energy ablative therapy: a multi-institutional study. J Urol. 2006 Nov; 176(5):1973-7.
Zagoria RJ. Retrospective view of "diagnosis of acute flank pain: value of unenhanced helical CT". AJR Am J Roentgenol. 2006 Sep; 187(3):603-4.
Clark HP, Carson WF, Kavanagh PV, Ho CP, Shen P, Zagoria RJ. Staging and current treatment of hepatocellular carcinoma. Radiographics. 2005 Oct; 25 Suppl 1:S3-23.
Barker DW, Zagoria RJ, Morton KA, Kavanagh PV, Shen P. Evaluation of liver metastases after radiofrequency ablation: utility of 18F-FDG PET and PET/CT. AJR Am J Roentgenol. 2005 Apr; 184(4):1096-102.
Cofield KR, Cantley LK, Geisinger KR, Zagoria RJ, Perrier ND. Adrenocortical carcinoma arising from a long-standing adrenal mass. Mayo Clin Proc. 2005 Feb; 80(2):264-6.
Dyer RB, Chen MY, Zagoria RJ. Classic signs in uroradiology. Radiographics. 2004 Oct; 24 Suppl 1:S247-80.
Zagoria RJ. Imaging-guided radiofrequency ablation of renal masses. Radiographics. 2004 Oct; 24 Suppl 1:S59-71.
Zagoria RJ, Hawkins AD, Clark PE, Hall MC, Matlaga BR, Dyer RB, Chen MY. Percutaneous CT-guided radiofrequency ablation of renal neoplasms: factors influencing success. AJR Am J Roentgenol. 2004 Jul; 183(1):201-7.
Hawksworth J, Geisinger K, Zagoria R, Kavanagh P, Howerton R, Levine EA, Shen P. Surgical and ablative treatment for metastatic adenocarcinoma to the liver from unknown primary tumor. Am Surg. 2004 Jun; 70(6):512-7.
Matlaga BR, Zagoria RJ, Clark PE, Hall MC. Radiofrequency ablation of renal tumors. Curr Urol Rep. 2004 Feb; 5(1):39-44.
Zagoria RJ. Lee Rogers, AJR Editor in Chief, 1995-2003: a golden age for the yellow journal. AJR Am J Roentgenol. 2004 Jan; 182(1):1-2.
Zagoria RJ, Roth TJ, Levine EA, Kavanagh PV. Radiofrequency ablation of a symptomatic hepatic cavernous hemangioma. AJR Am J Roentgenol. 2004 Jan; 182(1):210-2.
Henn AR, Levine EA, McNulty W, Zagoria RJ. Percutaneous radiofrequency ablation of hepatic metastases for symptomatic relief of neuroendocrine syndromes. AJR Am J Roentgenol. 2003 Oct; 181(4):1005-10.
Zagoria RJ. Percutaneous image-guided radiofrequency ablation of renal malignancies. Radiol Clin North Am. 2003 Sep; 41(5):1067-75.
Matlaga BR, Shah OD, Zagoria RJ, Dyer RB, Streem SB, Assimos DG. Computerized tomography guided access for percutaneous nephrostolithotomy. J Urol. 2003 Jul; 170(1):45-7.
McLaughlin CA, Chen MY, Torti FM, Hall MC, Zagoria RJ. Radiofrequency ablation of isolated local recurrence of renal cell carcinoma after radical nephrectomy. AJR Am J Roentgenol. 2003 Jul; 181(1):93-4.
Zagoria R. The ACGME and the residency review committee: external program review. Accreditation Council for Graduate Medical Education. Acad Radiol. 2003 Feb; 10 Suppl 1:S10-5.
Matlaga BR, Zagoria RJ, Woodruff RD, Torti FM, Hall MC. Phase II trial of radio frequency ablation of renal cancer: evaluation of the kill zone. J Urol. 2002 Dec; 168(6):2401-5.
Dyer RB, Chen MY, Zagoria RJ, Regan JD, Hood CG, Kavanagh PV. Complications of ureteral stent placement. Radiographics. 2002 Sep-Oct; 22(5):1005-22.
Moreland WS, Zagoria RJ, Geisinger KR. Use of fine needle aspiration biopsy in radiofrequency ablation. Acta Cytol. 2002 Sep-Oct; 46(5):819-22.
Dyer RB, Regan JD, Kavanagh PV, Khatod EG, Chen MY, Zagoria RJ. Percutaneous nephrostomy with extensions of the technique: step by step. Radiographics. 2002 May-Jun; 22(3):503-25.
Zagoria RJ, Chen MY, Shen P, Levine EA. Complications from radiofrequency ablation of liver metastases. Am Surg. 2002 Feb; 68(2):204-9.
Zagoria RJ, Chen MY, Kavanagh PV, Torti FM. Radio frequency ablation of lung metastases from renal cell carcinoma. J Urol. 2001 Nov; 166(5):1827-8.
Dyer RB, Chen MY, Zagoria RJ. Intravenous urography: technique and interpretation. Radiographics. 2001 Jul-Aug; 21(4):799-821; discussion 822-4.
Zagoria RJ, Khatod EG, Chen MY. Abdominal radiography after CT reveals urinary calculi: a method to predict usefulness of abdominal radiography on the basis of size and CT attenuation of calculi. AJR Am J Roentgenol. 2001 May; 176(5):1117-22.
Thurmond AS, Machan LS, Maubon AJ, Rouanet JP, Hovsepian DM, Moore A, Zagoria RJ, Dickey KW, Bass JC. A review of selective salpingography and fallopian tube catheterization. Radiographics. 2000 Nov-Dec; 20(6):1759-68.
Zagoria RJ. Imaging of small renal masses: a medical success story. AJR Am J Roentgenol. 2000 Oct; 175(4):945-55.
Rosser CJ, Zagoria R, Dixon R, Scurry WC, Bare RL, McCullough DL, Assimos DG. Is there a learning curve in diagnosing urolithiasis with noncontrast helical computed tomography? Can Assoc Radiol J. 2000 Jun; 51(3):177-81.
Chen MY, Scharling ES, Zagoria RJ, Bechtold RE, Dixon RL, Dyer RB. CT diagnosis of acute flank pain from urolithiasis. Semin Ultrasound CT MR. 2000 Feb; 21(1):2-19.
Dupuy DE, Zagoria RJ, Akerley W, Mayo-Smith WW, Kavanagh PV, Safran H. Percutaneous radiofrequency ablation of malignancies in the lung. AJR Am J Roentgenol. 2000 Jan; 174(1):57-9.
Chen MY, Zagoria RJ, Saunders HS, Dyer RB. Trends in the use of unenhanced helical CT for acute urinary colic. AJR Am J Roentgenol. 1999 Dec; 173(6):1447-50.
Chen MY, Bechtold RE, Bohrer SP, Zagoria RJ, Dyer RB. Abnormal calcification on plain radiographs of the abdomen. Crit Rev Diagn Imaging. 1999 Jun; 40(2-3):63-202.
Zagoria RJ, Dyer RB. Do's and don't's of percutaneous nephrostomy. Acad Radiol. 1999 Jun; 6(6):370-7.
Chen MY, Zagoria RJ. Can noncontrast helical computed tomography replace intravenous urography for evaluation of patients with acute urinary tract colic? J Emerg Med. 1999 Mar-Apr; 17(2):299-303.
Dyer RB, Chen MY, Zagoria RJ. Abnormal calcifications in the urinary tract. Radiographics. 1998 Nov-Dec; 18(6):1405-24.
Bechtold RB, Chen MY, Dyer RB, Zagoria RJ. CT of the ureteral wall. AJR Am J Roentgenol. 1998 May; 170(5):1283-9.
Ott DJ, Wolfman NT, Scharling ES, Zagoria RJ. Overview of imaging in colorectal cancer. Dig Dis. 1998 May-Jun; 16(3):175-82.
Zagoria RJ, Dyer RB. The small renal mass: detection, characterization, and management. Abdom Imaging. 1998 May-Jun; 23(3):256-65.
Jones TR, Zagoria RJ, Jarow JP. Transrectal US-guided seminal vesiculography. Radiology. 1997 Oct; 205(1):276-8.
Bechtold RE, Chen MY, Ott DJ, Zagoria RJ, Scharling ES, Wolfman NT, Vining DJ. Interpretation of abdominal CT: analysis of errors and their causes. J Comput Assist Tomogr. 1997 Sep-Oct; 21(5):681-5.
Boehme JM, Chen MY, Dyer RB, Zagoria RJ, Pope TL. Radiology conference room: planning and development. Acad Radiol. 1997 Sep; 4(9):649-52.
Bechtold RE, Zagoria RJ. Imaging approach to staging of renal cell carcinoma. Urol Clin North Am. 1997 Aug; 24(3):507-22.
Zagoria RJ. In the management of a patient with nonmalignant obstructive uropathy and known infection, isn't it safer and more prudent to attempt retrograde placement of a ureteral stent before percutaneous nephrostomy? AJR Am J Roentgenol. 1997 Jun; 168(6):1616.
Chen MY, Zagoria RJ, Dyer RB. Radiologic findings in acute urinary tract obstruction. J Emerg Med. 1997 May-Jun; 15(3):339-43.
Zagoria RJ, Schlarb CA, Ott DJ, Bechtold RI, Wolfman NT, Scharling ES, Chen MY, Loggie BW. Assessment of rectal tumor infiltration utilizing endorectal MR imaging and comparison with endoscopic rectal sonography. J Surg Oncol. 1997 Apr; 64(4):312-7.
Zagoria RJ, Bechtold RE. The role of imaging in staging renal adenocarcinoma. Semin Ultrasound CT MR. 1997 Apr; 18(2):91-9.
Chen MY, Gelfand DW, Spangler K, Dyer RB, Zagoria RJ, Ott DJ. Locating the kidneys on CT to guide nephrotomography. Radiol Technol. 1997 Mar-Apr; 68(4):329-31.
Bechtold RE, Dyer RB, Zagoria RJ, Chen MY. The perirenal space: relationship of pathologic processes to normal retroperitoneal anatomy. Radiographics. 1996 Jul; 16(4):841-54.
Zagoria RJ, Wolfman NT. Magnetic resonance imaging of colorectal cancer. Semin Roentgenol. 1996 Apr; 31(2):162-5.
Vining DJ, Zagoria RJ, Liu K, Stelts D. CT cystoscopy: an innovation in bladder imaging. AJR Am J Roentgenol. 1996 Feb; 166(2):409-10.
Zagoria RJ, Elster AD. Changing of the guard at the American Journal of Roentgenology: the Robert Berk era revisited. AJR Am J Roentgenol. 1996 Jan; 166(1):3-5.
Jarow JP, Zagoria RJ. Antegrade ejaculatory duct recanalization and dilation. Urology. 1995 Nov; 46(5):743-6.
Zagoria RJ. With the high cost of nonionic contrast media, it has been suggested that we use a plain abdominal radiograph (KUB) and renal sonography to evaluate patients with hematuria. AJR Am J Roentgenol. 1995 Nov; 165(5):1297.
Saunders HS, Dyer RB, Shifrin RY, Scharling ES, Bechtold RE, Zagoria RJ. The CT nephrogram: implications for evaluation of urinary tract disease. Radiographics. 1995 Sep; 15(5):1069-85; discussion 1086-8.
Chen MY, Zagoria RJ, Dyer RB. Interureteric ridge edema: incidence and etiology. Abdom Imaging. 1995 Jul-Aug; 20(4):368-70.
Glauser SJ, Scharling ES, Stovall TG, Zagoria RJ. Ultrasonography: usefulness in localization of the Norplant contraceptive implant system. J Ultrasound Med. 1995 Jun; 14(6):411-4.
Chen MY, Zagoria RJ, Fayez JA, Ott DJ, Van Swearingen FL. Comparison of patient reactions and diagnostic quality for hysterosalpingography using ionic and nonionic contrast media. Acad Radiol. 1995 Feb; 2(2):123-7.
Zagoria RJ, Bechtold RE, Dyer RB. Staging of renal adenocarcinoma: role of various imaging procedures. AJR Am J Roentgenol. 1995 Feb; 164(2):363-70.
Zagoria RJ, Donati DL, Chen MY, Gelfand DW, Ott DJ, Dyer RB. Cost-effective filming sequence for intravenous urography. South Med J. 1994 Sep; 87(9):899-901.
Zagoria RJ. Should follow-up procedure for bilateral renal calculi be radiography of the abdomen or sonography of the kidneys? AJR Am J Roentgenol. 1994 Sep; 163(3):743.
Lowe LH, Zagoria RJ, Baumgartner BR, Dyer RB. Role of imaging and intervention in complex infections of the urinary tract. AJR Am J Roentgenol. 1994 Aug; 163(2):363-7.
Zagoria RJ. Should follow-up procedure for bilateral renal calculi be radiography of the abdomen or sonography of the kidneys? AJR Am J Roentgenol. 1994 Aug; 163(2):471.
Cox JA, Zagoria RJ, Raben M. Prostate cancer: comparison of retrograde urethrography and computed tomography in radiotherapy planning. Int J Radiat Oncol Biol Phys. 1994 Jul 30; 29(5):1119-23.
Lowe LH, Zagoria RJ. Fluoroscopic evaluation of the ureters during intravenous urography. South Med J. 1994 Jun; 87(6):627-30.
Zagoria RJ. Iodinated contrast agents in neuroradiology. Neuroimaging Clin N Am. 1994 Feb; 4(1):1-8.
Dyer RB, Lowe LH, Zagoria RJ, Amis ES. Mass effect in the renal sinus: an anatomic classification. Curr Probl Diagn Radiol. 1994 Jan-Feb; 23(1):1-27.
Zagoria RJ, Assimos DG, Yap MA, Dyer RB. Obliterative pyeloureteritis: a complication of stone disease in patients with urinary conduit diversion. J Urol. 1993 Sep; 150(3):961-5.
Zagoria RJ, Hodge RG, Dyer RB, Routh WD. Percutaneous nephrostomy for treatment of intractable hemorrhagic cystitis. J Urol. 1993 Jun; 149(6):1449-51.
Memolo M, Dyer R, Zagoria RJ. Extravasation injury with nonionic contrast material. AJR Am J Roentgenol. 1993 Jan; 160(1):203-4.
Dyer RB, Zagoria RJ. Radiological patterns of mineralization as predictor of urinary stone etiology, associated pathology, and therapeutic outcome. J Stone Dis. 1992 Oct; 4(4):272-82.
Ott DJ, Gilliam JH, Zagoria RJ, Young GP. Interventional endoscopy of the biliary and pancreatic ducts: current indications and methods. AJR Am J Roentgenol. 1992 Feb; 158(2):243-50.
Gash JR, Zagoria RJ, Dyer RB, Assimos DG. Imaging features of infiltrating renal lesions. Crit Rev Diagn Imaging. 1992; 33(4):293-310.
Lowe LH, Zagoria RJ, Chen MY, Dyer RB. Intraluminal renal metastasis from colon cancer simulating a fungus ball. Urol Radiol. 1992; 13(4):226-7.
Zagoria RJ, Regan SW, Dyer RB. Nonsurgical fallopian tube recanalization for treatment of infertility. N C Med J. 1991 Oct; 52(10):491-3.
Zagoria RJ, Dyer RB. New procedures upgrade genitourinary radiology. Diagn Imaging (San Franc). 1991 Sep; 13(9):121-9.
Assimos DG, Wrenn JJ, Harrison LH, McCullough DL, Boyce WH, Taylor CL, Zagoria RJ, Dyer RB. A comparison of anatrophic nephrolithotomy and percutaneous nephrolithotomy with and without extracorporeal shock wave lithotripsy for management of patients with staghorn calculi. J Urol. 1991 Apr; 145(4):710-4.
Zagoria RJ, Dyer RB, Assimos DG, Scharling ES, Quinn SF. Spontaneous perinephric hemorrhage: imaging and management. J Urol. 1991 Mar; 145(3):468-71.
Zagoria RJ, Dyer RB, Harrison LH, Adams PL. Percutaneous management of localized emphysematous pyelonephritis. J Vasc Interv Radiol. 1991 Feb; 2(1):156-8.
Zagoria RJ, Dyer RB. Computed tomography of primary renal osteosarcoma. J Comput Assist Tomogr. 1991 Jan-Feb; 15(1):146-8.
Dyer RB, Gilpin JW, Zagoria RJ, Chen MY, Case LD. Vicarious contrast material excretion in patients with acute unilateral ureteral obstruction. Radiology. 1990 Dec; 177(3):739-42.
Zagoria RJ, Scott MD, D'Souza VJ, Dyer RB. A simple device to facilitate percutaneous insertion of the Kimray-Greenfield filter. AJR Am J Roentgenol. 1990 Mar; 154(3):621-2.
Zagoria RJ, Wolfman NT, Karstaedt N, Hinn GC, Dyer RB, Chen YM. CT features of renal cell carcinoma with emphasis on relation to tumor size. Invest Radiol. 1990 Mar; 25(3):261-6.
Zagoria RJ, Muss HB, Wolfman NT, Choplin RH, Karstaedt N, Garovich MC. Computed tomography versus chest radiography: impact on management of patients with lymphoma. Cancer Invest. 1990; 8(3-4):357-64.
Zagoria RJ, Dyer RB, Wolfman NT, Hinn GC, Chen YM. Radiology in the diagnosis and staging of renal cell carcinoma. Crit Rev Diagn Imaging. 1990; 31(1):81-115.
Zagoria RJ, Cowan RJ, Dyer RB, Herrera M. False-positive radionuclide hepatobiliary imaging following cystic duct stone removal. Clin Nucl Med. 1989 Mar; 14(3):153-5.
Zagoria RJ, Dyer RB, McCullough DL. Angiomyolipoma arising in the renal sinus: a difficult radiologic diagnosis. Urol Radiol. 1989; 11(3):139-41.
Zagoria RJ, Dyer RB, Herrera MA, Gilliam JH. Percutaneous dislodgement of an impacted cystic duct stone. Gastrointest Radiol. 1989; 14(4):337-8.
Zagoria RJ, D'Souza VJ, Sharling ES. Prosthetic arterial graft occlusion: a complication of tourniquet use during arteriography. Radiology. 1988 Apr; 167(1):121-2.
Dyer RB, Zagoria RJ, Auringer ST, Ainge GR, McCullough DL, Assimos DG, Boyce WH, Harrison LH, Kroovand RL, Chen YM. Radiologic contribution to the management of patients undergoing extracorporeal shock wave lithotripsy. Crit Rev Diagn Imaging. 1988; 28(4):295-330.
Zagoria RJ, Papanicolaou N, Pfister RC, Stafford SA, Young HH. Seminal vesicle abscess after vasectomy: evaluation by transrectal sonography and CT. AJR Am J Roentgenol. 1987 Jul; 149(1):137-8.
Zagoria RJ, D'Souza VJ, Baker AL. Recommended precautions when using low-osmolality or nonionic contrast agents with vasodilators. Invest Radiol. 1987 Jun; 22(6):513-4.
Zagoria RJ, Higgins WJ, King GT, Williams CD. Elderly man with hematuria and a pelvic mass. Mucinous adenocarcinoma of the urachus. Invest Radiol. 1987 May; 22(5):424-6.
Zagoria RJ, Steiner E, Williams CD, King GT. Progressive neurologic disorder in a middle-aged man. Invest Radiol. 1986 Jul; 21(7):589-91.
Zagoria RJ, Karstaedt N, Koubek TD. MR imaging of rhabdomyolysis. J Comput Assist Tomogr. 1986 Mar-Apr; 10(2):268-70.
Zagoria RJ, Machen BC, King GT, Williams CD. Unsuspected fetal abnormality. Fetal cystic hygroma associated with Turner's syndrome. Invest Radiol. 1986 Mar; 21(3):282-4.
Zagoria RJ, Gelfand DW, Ott DJ. Retrograde examination of the small bowel in patients with an ileostomy. Gastrointest Radiol. 1986; 11(1):97-101.
Zagoria RJ, Choplin RH, Karstaedt N. Pulmonary gangrene as a complication of mucormycosis. AJR Am J Roentgenol. 1985 Jun; 144(6):1195-6.
Zagoria RJ, Reggia JA. Transferability of medical decision support systems based on Bayesian classification. Med Decis Making. 1983; 3(4):501-9.