Posterior urethral valves: 8.1. Definition: Incomplete or intermittent obstruction of the urethra due to posterior urethral valves. 8.2.
urethral valves, vesicoureteric reflux), cystic disease of the kidneys (multicystic dysplastic kidneys, polycystic kidneys), renal vein thrombosis, tumors (Wilms' tumor,
Associated disorders may include, but are not limited to, idiopathic hydronephrosis, ureteropelvic junction obstruction, posterior urethral valve (PUV) disorder and multicystic