kidney and urinary tract disorders
Imaging Tests of the Urinary Tract
Cystography and cystourethrography
Cystographyis any test that provides bladder images after a radiopaque contrast agent is introduced into the bladder (for example, through a cystoscope or a catheter in the urethra). Cystography is used most commonly to detect a hole in the bladder, which may occur after an injury or surgery. (sometimes called retrograde cystourethrography), a Radiopaque Contrast Agents is injected through the urethra into the bladder. This procedure is used to identify abnormalities in the urethra, such as scarring or tearing as a result of injury. When x-ray films of the bladder and urethra are taken during and immediately after urination, the study is called 