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Richard H. Cohan
Regents' Proceedings

Richard H. Cohan, M.D., professor of radiology in Michigan Medicine’s Division of Abdominal Radiology and the Medical School, retired from active faculty status on October 31, 2021.

Dr. Cohan received his B.A. degree in biochemistry from Harvard College in 1975. He then received his M.D. degree from New York University in 1979. He completed a residency in diagnostic radiology at New York University in 1983 and a fellowship in abdominal imaging and interventional radiology at Duke University in 1985. He then stayed on as an assistant professor at Duke University until 1990. He spent two years at Eastern Virginia Medical Center, acting as a chair and residency training program director during that time. He joined the University of Michigan faculty as an associate professor with tenure in 1992, and was promoted to professor in 1997.

Dr. Cohan has spent his academic career as an abdominal imager, with special interests in the use of radiographic contrast material, CT urography, and artificial intelligence. He authored or co-authored 191 papers and three books on these and other topics, including a textbook entitled New Techniques in Uroradiology (2006), a textbook entitled CT urography: An Atlas (2007), and a textbook entitled Textbook on Genitourinary Radiology (2018). In 2019, his paper entitled “Effect of an Automated Computerized Decision Support System in CT Identification of Complete Response of Muscle Invasive Bladder Cancer to Neoadjuvant Chemotherapy” received an award for best “cutting edge” research at an annual meeting of the Society of Abdominal Radiology. He has been a dedicated teacher of both medical students and residents. He has won numerous awards for his teaching activities, including having been named best teacher or mentor by radiology residents in 1987, 1994, 2003, and 2017. He has given numerous invited lectures at national and international meetings. During his time at the University of Michigan, he has served as radiology residency training director (1992-2004), associate chair of education (1998-2017), associate radiology residency training program director (2004-21), and section head of the gastrointestinal radiology service (2018-21). Many of the students and residents he has trained have, themselves, gone onto successful careers at academic institutions throughout the country.

The Regents now salute this distinguished scholar and teacher by naming Richard H. Cohan, professor emeritus of radiology.