BACKGROUND Advances in radiology technology have contributed to a substantial increase in utilization of radiology services. Physicians, who are well educated in medical matters, would be expected to be knowledgeable about prudent or injudicious use of radiological services. The aim of this study was to evaluate differences in the utilization of radiology modalities among physician and non-phys...

S ince the discovery of X-rays in 1895, the applications of radiation in medicine have broadened tremendously in scope. Three specialties have emerged during the last 50 years; namely, diagnostic radiology, therapeutic radiology, and nuclear medicine. Nowadays, these specialties are established worldwide in clinical practice with board certification, and in education, training, and research, al...

From the Department of Radiology (J.F.A.), Univ sity of Virginia Health System, Charlottesville, V ginia; Department of Radiology (A.A.N.), Nor western Memorial Hospital, Chicago, Illino Department of Vascular and Interventional Radi ogy (A.M.C.), University of Texas–Houston; Depa ment of Interventional Radiology (M.J.W.), The U versity of Texas M. D. Anderson Cancer Cen Houston, Texas; Departm...