Radiologic assessment of impotence: angiography, sonography, cavernosography, and scintigraphy.

Recent advances in the understanding of erectile dysfunction have led to new treatments for vasculogenic impotence and a need for improved imaging techniques. Although much controversy still exists in this evolving field, we provide a review of the concepts and techniques currently used in cavernosography, sonography, scintigraphy, and angiography to evaluate the impotent patient.