title: Malignant urothelial tumors in childhood.
mesh_terms: D002295:Carcinoma, Transitional Cell / Q000000981:diagnostic imaging / Q000601:surgery; D002648:Child; D004724:Endoscopy; D006465:Hemoperitoneum / Q000209:etiology; D006801:Humans; D007668:Kidney / Q000002:abnormalities / Q000473:pathology; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery; D008297:Male; D009392:Nephrectomy; D011183:Postoperative Complications; D011859:Radiography