Medullary sponge kidney.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007679:Kidney Medulla / Q000000981:diagnostic imaging* / Q000473:pathology; D008297:Male; D007691:Medullary Sponge Kidney / Q000000981:diagnostic imaging* / Q000473:pathology; D008875:Middle Aged; D011859:Radiography