Granulocyte Colony-Stimulating Factor-Producing Bladder Cancer

Granulocyte colony-stimulating factor (G-CSF)-producing bladder cancer is rare, with only 75 cases reported in Japan. A 67-year-old woman was referred to our institution for the further examination of gross hematuria. Cystoscopy revealed a 7-cm bladder tumor. The initial white blood cell count was 17,100/μL, and a transurethral resected specimen showed G-CSF expression. CT revealed that the tumor had invaded the colon. As the patient had uncontrollable schizophrenia, radical cystectomy was abandoned. We herein report a case of G-CSF-producing bladder tumor.

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