Fig. 3From: Medullary sponge kidney: unusual finding in kidney transplant recipientPhilips EPIQ, linear transductor, B-mode, frequency 5–12 MHz, right lower abdominal quadrant, detail: another detail of the typical aspect of renal papilla. Linear high-resolution probe shows millimetric hyperechoic spots with a rear shadow cone in the papilla, highly suggestive for calcifications, a typical alteration of medullary sponge kidneyBack to article page