Osteosarcoma of the urinary bladder in a patient after prolonged adjuvant therapy for primary urothelial bladder carcinoma

Abstract

We report a rare occurrence of primary osteosarcoma of the urinary bladder in a patient originally under surveillance for superficial urothelial bladder carcinoma, pT1NoMo G II.

Keywords

• Osteosarcoma
• urinary bladder
• transurethral resection