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Department of Internal Medicine

Shiro Urayama, M.D. View profile as PDF

Shiro  Urayama

Clinical Interests

Shiro Urayama specializes in endoscopic ultrasound and inflammatory bowel disease. He is experienced in performing special endoscopic procedures, including ERCP and EU. He has published studies on the mechanisms and treatment of diarrhea in inflammatory bowel disease and per-procedure equipment costs in outpatient endoscopy centers. His research also includes the application of endoscopic ultrasound, tumor markers for early diagnosis of pancreatic and bile duct cancer, and the role of mucosal protection in inflammatory bowel disease.


Associate Clinical Professor


Cancer, Gastroenterology and Hepatology, Internal Medicine


Internal Medicine


Gastroenterology and Hepatology

Center/Program Affiliation:


UC Davis Medical Center
2315 Stockton Blvd.
Sacramento, CA 95817
Driving Directions
Phone: 800-2-UCDAVIS (800-282-3284)

Additional Phone:

Physician Referrals: 800-4-UCDAVIS (800-482-3284)

Other Languages:



M.D., Medical College of Wisconsin, Milwaukee, Wisconsin, 1992


Virginia Mason Medical Center, Seattle, Washington, 1992-93


Virginia Mason Medical Center, Seattle, Washington, 1993-95


Columbia University, Columbia Presbyterian Medical Center, New York City, New York, 1999
University of Chicago, Chicago, Illinois, 1995-99

Board Certifications:

American Board of Internal Medicine, 1995
American Board of Internal Medicine, Gastroenterology, 1997

Professional Memberships:

Ad hoc Reviewer - Gastrointestinal Endoscopy
American Association for Cancer Research
American College of Physicians
American Gastroenterological Association
American Society of Gastrointestinal Endoscopy
Association for Advancement of American Science

Select Honors and Awards:

Faculty Research Award - UC Davis, 2000

New Faculty Grant Program Award - UC Davis, 1999

ADHF/Advanced Research Training Award, 1998

Ninth North American Conference of Gastroenterology Fellows - Best Poster presentation: Dexamethasone protection of intestinal epithelial cells against oxidant injury is mediated by induction of heat shock protein 72, 1998

ASGE/Bard Resident/Fellow Manuscript Award: Mycobacteria and glutaraldehyde: is high-level disinfection of endoscopes possible?, 1996

Select Recent Publications:

2009 Lin B, Urayama S, Saroufeem RMG, Matthews DL, Demos SG. Real-time microscopic imaging of esophageal epithelial disease with autofluorescence under ultra violet excitation. Optics Express 17(15):12502-12509.

2008 Ganz RA, Overholt BF, Sharma VK, Panjehpour S, DeMeester SR, Urayama S, HALO360 Circumferential ablation of Barrett's esophas that contains high-grade dysplasia: A U.S. multi-center registry. Gastrointest Endoscopy 26(6):835-840.

2007 Wang H, Ryu J, Gandara D, Bold RJ, Urayama S, Tanaka M, et. al. A phase II study of paclitaxel, carboplatin, and radiation with or without surgery for esophageal cancer. J Thoracic OncoI 2(2):153-157.

2006 Lee JG, Lum D, Urayama S, Mann S, Saavedra S, Vigil H, Vilaysak C, Leung JW, Leung FW. Extended flexible sigmoidoscopy performed by colonoscopists for colorectal cancer screening: a pilot study. Aliment Pharmacol & Ther 23(7):945-951.

2006 Lieber CA, Urayama S, Rahim N, Tu R, Demos SG. Multimodal spectral imaging as an exploratory tool for dysplastic esophageal lesion identification. Optics Express 14(6):2211-2219.

2006 Tran Q, Urayama S, Meyers FJ. Endoscopic ultrasound guided celiac plexus neurolysis for pancreatic cancer pain: a single institution experience and review of the literature. J Supportive Oncology 4(9):460-463.

2005 Umphress JL, Hoda K, Oswal HN, Urayama S. Gastrointestinal stromal tumor presenting as pancreatic mass: a case report and review of the literature. Practical Gastroenterology 29(8):67-75.

2004 Umphress JL, Pecha RE, Urayama S. Biliary stricture caused by portal biliopathy: diagnosis by EUS with Doppler US. Gastrointest Endosc 60(6):1021-1024.

2002 Stein M, Schneider PD, Ho H, Eckert R, Urayama S, Bold RJ. Percutaneous transhepatic portography with intravascular ultrasonography for evaluation of venous involvement of hepatobiliary and pancreatic tumors. J Vase Interv Radiol 13:805-814.

2002 Urayama S. Reduction of tissue injury by geranylgeranylacetone in rat acute pancreatitis model. [Japanese] Medical Tribune 35:19.

To see if Shiro Urayama is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).