title: Ectopic renal papilla: a benign renal pelvic filling defect.
abstract: Ectopic papillae may represent as filling defects in the renal pelvis. We report 1 case which resulted in a nephrectomy. A review of the literature is given and a diagnostic plan suggested.
mesh_terms: D002828:Choristoma / Q000000981:diagnostic imaging / Q000473:pathology*; D005260:Female; D006801:Humans; D007679:Kidney Medulla; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D007682:Kidney Pelvis / Q000000981:diagnostic imaging; D008875:Middle Aged; D011859:Radiography