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NCIRE-The Veterans Health Research Institute is the leading private nonprofit institute devoted to Veterans health research in the United States. Our mission is to advance Veterans health through research.

We support the work of some of the nation's foremost physicians and scientists at the San Francisco Veterans Affairs Medical Center, the premier biomedical research facility in the VA system. All have faculty appointments at the University of California, San Francisco, which has its own proud traditions of research and patient care. We also partner with the U.S. Department of Defense to support health research on behalf of our men and women in the Armed Forces.

Those who have served in uniform have given their best for their country. In return, we believe that they deserve nothing less than the best health care research we can provide.

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Judy Yee, MD

Chief of Radiology Service, SFVAHCS
Director of 3-D Imaging, SFVAHCS
Professor, Vice Chair and Interim Chief, Abdominal Imaging, Department of Radiology and Biomedical Imaging, UCSF

Email: judy.yee@va.gov

Virtual Colonoscopy A Major Advance in Colon Cancer Screening

Dr. Judy Yee was one of the first doctors in the world to perform CT colonography, known as virtual colonoscopy (VC), and has developed many of the innovative aspects of this procedure at the San Francisco VA. VC uses a CT scanner and advanced computer software to create 3 dimensional pictures of the inside and outside of the colon. It can be used to look for polyps that may develop into colon cancer. It is less invasive, safer, and less expensive than the traditional way to screen for colon cancer, which uses a long tube-like scope that is inserted throughout the colon. VC also allows the radiologist to look at organs outside of the colon. Dr. Yee has demonstrated in a number of studies that VC is as accurate as conventional colonoscopy in identifying pre-cancerous polyps, and published the first major study demonstrating that VC can be used to successfully identify cancers and other diseases outside the colon as well. Dr. Yee developed national guidelines for performing this test, and is the author of "Virtual Colonoscopy," the authoritative textbook in the field.

To see Dr. Yee on Pub Med, click here.