Congenital anomalies of the lower urinary tract from a radiologic point of view.

Congenital anomalies of the lower urinary tract are being recognized with greater frequency due to the use of micturating cystourethrography. Many of these malformations present with urinary tract infection. Early diagnosis is important as appropriate treatment may prevent deterioration of renal function. Several illustrative cases are presented, such as posterior urethral valves, diverticula of the urethra, rectourethral fistula, and duplication of the urethra.