title: [Transitional cell carcinoma of the renal pelvis with various histological appearances: a case report].
abstract: A large left renal mass was removed from an 85-year-old male. Histological examination revealed various features: Anaplastic transitional cell carcinoma and glandular formation scattered with portions resembling cancer pearls. Sarcomatoid-like area at ureteral margin of the mass and carcinoma-in-situ at renal pelvic mucosa were also seen. Final interpretation was grade III, transitional cell carcinoma, with squamous and glandular differentiation, spindling, and pleomorphic areas.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D002295:Carcinoma, Transitional Cell / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology* / Q000601:surgery; D007682:Kidney Pelvis / Q000473:pathology*; D008297:Male; D008679:Metaplasia / Q000473:pathology