title: Transitional cell carcinoma in a pyelogenic cyst.
abstract: A case of transitional cell carcinoma in a pyelogenic cyst is presented. The pathogenesis of pyelogenic cysts and the clinical management of avascular cystic renal masses are discussed.
mesh_terms: D002295:Carcinoma, Transitional Cell / Q000150:complications* / Q000473:pathology; D004240:Diverticulum / Q000150:complications* / Q000473:pathology; D006801:Humans; D007670:Kidney Calices / Q000473:pathology; D052177:Kidney Diseases, Cystic / Q000150:complications* / Q000473:pathology; D007680:Kidney Neoplasms / Q000150:complications* / Q000473:pathology; D007682:Kidney Pelvis / Q000473:pathology; D008297:Male; D008875:Middle Aged