A FIBROEPITHELIAL URETHRAL POLYP PROTRUDING INTO THE BASE OF THE BLADDER - SONOGRAPHIC DIAGNOSIS

A case of congenital urethral polyp in a 10-month-old boy is presented . These rare congenital tumors can lead to urinary retention, hematuri a, urinary tract infections, hydronephrosis and hydroureter. Tradition ally the diagnosis was based either on voiding cystourethrography or c ystoscopy. The sonographic features of these polyps have only been rep orted in a few cases in the past. This modality is not infrequently th e imaging procedure of choice in the work-up of children with signs an d symptoms related to the urinary system. In the case presented herein the polyp was demonstrated initially by sonography as a soft tissue m ass arising at the base of the urinary bladder. The differential diagn osis of these lesions is presented.