Following his residency, Dr Comstock completed a fellowship in mammography at the University of Chicago. He then worked as an Assistant Professor of Radiology at the University of Chicago and later at Northwestern University Hospital’s Lynn Sage Breast Center. While in Chicago, Dr Comstock was involved in several projects studying computer-aided detection and diagnosis (CAD) of breast cancer and participated in clinical trials evaluating General Electric’s first full-field digital mammography unit. From 2003 to 2009 Dr. Comstock was the section chief of breast imaging at the University of California, San Diego (UCSD). There he helped to plan and directed the conversion of UCSD’s breast imaging section to the first completely digital program in San Diego. He also developed breast MR biopsy techniques. In 2004 he was awarded a two-year ACRIN fellowship in clinical trials in medical imaging. Past clinical trials include optical breast imaging and ultrasound tomography of the breast.
Dr Comstock is the co-author of a recent textbook on breast cancer imaging. He has written several book chapters, been involved in numerous breast imaging publications, and given more than 150 invited lectures. Dr Comstock is also actively involved in professional organizations such as the American Board of Radiology, the American College of Radiology Accreditation Program, and the Radiological Society of North America.