Three cases of small cell carcinoma of the urinary bladder: a case report

We report three cases of small cell carcinoma of the urinary bladder. Case 1: A 69-year-old man showed microscopic hematuria during follow up of prostate cancer of stage D2. The patient was diagnosed with small cell carcinoma of the urinary bladder at the stage of pT2N0M0. Complete remission was achieved by three courses of chemotherapy consisting of irinotecan and carboplatin. The patient was died by prostate cancer 16 months after the chemotherapy. Case 2: An 83-year-old woman presented with macroscopic hematuria. The patient was diagnosed with small cell carcinoma of the urinary bladder at the stage of pT2N0M0 and partial cystectomy was performed. The patient has been alive without any evidence of tumor recurrence at 6 months after surgery. Case 3: An 84-year-old man presented with macroscopic hematuria. The patient was diagnosed with small cell carcinoma of the urinary bladder at the stage ofcT3bN0M1 with multiple liver metastases. Complete remission was achieved by three courses of chemotherapy consisting of etoposide and carboplatin.