成長ホルモン産生下垂体腫瘍を合併した膀胱癌の1例

概要

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A case of bladder cancer associated with a growth hormone (GH) producing pituitary tumor is reported. A 67-year-old male underwent hypophysectomy for a GH producing pituitary tumor, 31 months earlier. Although the serum GH decreased postoperatively, recurrence of pituitary tumor with increased serum GH was found and followed by a neurosurgeon. He was referred to our department for asymptomatic gross hematuria. Cystoscopy revealed a papillary pedunculated tumor. Under the diagnosis of superficial bladder tumor, transurethral resection (TUR) was performed. Pathological examination showed transitional cell carcinoma. As the bladder cancer recurred with a high level of serum GH seven months later, TUR was repeated. We reviewed and discussed the relationship between GH or GH producing tumor and bladder cancer.