<prompt> Posterior urethral valve - true AE ?Palpable bladderHydronephrosisPainful stress incontinenceRecurrent UTI  <response>: Ans. is c i.e., Painful stress incontinence Posterior urethral valve Most common cause of severe obstructive uropathy in children. 30 of children experienced end stage renal diseaseCRF Dilated prostatic urethra. Hyperophy of bladder muscle Vesicouretic reflux seen in 50 of cases. Back pressure change: Hydronephrosis Distended bladder Thin urinary stream Recurent UTI because of urinary stasis 