Dr. Alison Williams

Brian Callahan is a Radiologist and an Interventional Radiologist in Easton, Maryland. Dr. Callahan is highly rated in 35 conditions, according to our data. His top areas of expertise are Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, Pleurisy, Bone Marrow Aspiration, and Gastrostomy.

Dr. Elliot K. Fishman is a Professor in the Johns Hopkins Medicine Department Radiology and Radiological Science, Department of Oncology and Department of Surgery. He serves as a member of the Johns Hopkins Kimmel Cancer Center. His clinical and research interests focus on medical imaging with specific emphasis on three-dimensional (3D) imaging and computed tomography (CT). Dr. Fishman received his B.S. in 1973 and M.D. in 1977 from the University of Maryland. After a residency at Sinai Hospital in Baltimore, he completed a fellowship in CT at Johns Hopkins in 1980 and joined the Johns Hopkins faculty in 1981 as an Assistant Professor. In 1986, he became Associate Professor and, in 1991, Professor of Radiology and Oncology. He is a leader in the development of 3D imaging and rendering, including its impacts on and uses in patient care and management. He was involved from the beginning in the development of 3D imaging through his work with Pixar, which was a spin-off from LucasFilms in San Rafael, California. Over the last 25 years, Dr. Fishman continued to help develop 3D imaging and has been a leader in the development of interactive 3D rendering. His team is consistently at the forefront of research and development of new visualization and post-processing techniques and technologies. Dr. Fishman's extensive body of work in CT has resulted in over 1,000 peer-reviewed publications, and he is the author or co-author of 10 textbooks. He is the recipient of three prestigious Aunt Minnie Awards, honoring his outstanding contributions as both an educator and researcher. In 2007, he was named by Medical Imaging Magazine as the Top Radiologist in the Nation. He is a member of editorial boards for more than 35 journals, an active member of several professional radiology associations and is a past-president of the Society of Body CT/MR. Dr. Fishman is highly rated in 22 conditions, according to our data. His top areas of expertise are Neuroendocrine Tumor, Pancreatic Ductal Adenocarcinoma, Cavernous Lymphangioma, Pancreaticoduodenectomy, and Pancreatectomy.

Assen Todorov is a Radiologist in Salisbury, Maryland. Dr. Todorov is highly rated in 62 conditions, according to our data. His top areas of expertise are Gallbladder Disease, Bronchogenic Cyst, Pleurisy, and Pleural Effusion.