Primary small cell carcinoma of the urinary bladder in association with bilharziasis: A case report from Egypt

Extra-pulmonary small cell carcinoma is a rare primary tumor of the urinary bladder. Herein, we report a 52 years-old male with a primary small cell carcinoma of the urinary bladder, who presented with recurrent attacks of hematuria. Identification of this tumor entity and its aggressive treatment is recommended.