title: Congenital obstruction of the pelviureteric junction with spontaneous peripelvic extravasation of urine.
mesh_terms: D000328:Adult; D006801:Humans; D007682:Kidney Pelvis / Q000002:abnormalities* / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D014517:Ureteral Obstruction / Q000150:complications / Q000151:congenital* / Q000000981:diagnostic imaging