title: A case of bilateral invagination of normal renal cortex (columns of Bertin).
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006417:Hematuria / Q000209:etiology*; D006801:Humans; D007672:Kidney Cortex / Q000002:abnormalities* / Q000000981:diagnostic imaging; D052177:Kidney Diseases, Cystic / Q000150:complications* / Q000000981:diagnostic imaging; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D012077:Renal Artery / Q000000981:diagnostic imaging; D001749:Urinary Bladder Neoplasms / Q000150:complications