Correct Answer - D Answer- D. Posterior urethral valves The | Radiology
Correct Answer - D Answer- D. Posterior urethral valves
The keyhole sign is an ultrasonographic sign seen in boys with posterior urethral valves.
lt refers to the appearance of the proximal urethra (which is dilated) and associated thick walled distended bladder which on ultrasound may resemble a key hole.
