UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0461

Question:
26 year old male has acute left loin pain radiating to the left groin. Urinalysis reveals puria. He undergoes an intravenous urogram which reveals collections of contrast medium in dilated papillary collecting ducts of both the right and left kidneys. Both kidneys are enlarged. The most likely diagnosis is

a) dilatation of the ureter
b) horse-shoe kidney
c) medullary sponge kidney
d) renal tuberculosis
e) renal papillary necrosis