Genitourinary Imaging Tests By Paul H Chung, MD, Sidney Kimmel Medical College, Thomas Jefferson University Reviewed / Revised Mar 2022 | Modified Sep 2022 View Patient Education Plain X-Rays Without Contrast X-Rays With Use of Contrast Ultrasonography Computed Tomography Magnetic Resonance Imaging Radionuclide Scanning Imaging tests are often used to evaluate patients with renal and urologic disorders.