Ureters, bladder, urethra
Infant referred with diagnosis of urinary tract infection. Transabdominal ultrasound revealed bilateral hydronephrosis/hydroureter and over-distended, trabeculated walled urinary bladder. Transperineal (trans-pubic symphysis) ultrasound revealed dilated posterior urethra at urinary bladder base.
MCU (courtesy Dr Ninad Shah) revealed posterior urethral valve and right sided grade V reflux.
Surgery revealed posterior urethral valve.