Fig. 1
From: Ultrasound to address medullary sponge kidney: a retrospective study
a B-mode image representing the right kidney, scanned with a 5.0 MHz convex probe. Note the several cystic dilations of the inner medulla (white arrow) and segmental linear hypercoic strands (arrowhead) (Esaote MyLab Seven, 5.0 MHz convex probe); b Renal stone (4 mm) in the mid calyx and parenchimal cyst in a patient with MSK (Philips iU 22, multifrequency convex probe C5–1)