Parto Teb Azma

History (HX):
Flank pain and hematuria

Findings:
MRU (MIP and thick slab images shows ) staghorn calculus and mild hydronephrosis in right kidney, small stone at UPJ of left kidney resulting in hydronephrosis and 3 other stones in lower calyceal group. All stones are signal void.

Discussion:
MR urography is currently considered the method of choice for imaging of the renal parenchyma and the collecting systems who cannot undergo routine radiographic studies such as pregnant women , pediatric patients, patient’s allergic to iodinated contrast agents or patients with impaired renal function.