title: Inverted papilloma with malignant change of renal pelvis.
abstract: A case is presented of a rare type of renal pelvic tumor. Morphologically the structure of the lesion resembled an inverted papilloma of the urinary bladder, but the tumor cells composing the lesion underwent malignant transformation.
mesh_terms: D000368:Aged; D002295:Carcinoma, Transitional Cell / Q000473:pathology*; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D007682:Kidney Pelvis / Q000473:pathology*; D008297:Male; D010212:Papilloma / Q000473:pathology*