Fig. 2From: Renal vein thrombosis mimicking urinary calculus: a dilemma of diagnosisThe images from the abdominal plain film and intravenous pyelography. a An abdominal plain film showed a left-sided renal calcification. b After injecting contrast medium, intravenous pyelography showed normal renal pelvis and a patchy shadow within the left kidney contourBack to article page