巨大前立腺癌の1例

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89歳男.腹部腫瘤として触知し得る巨大前立腺癌に対し,抗男性ホルモン療法が奏効した症例An 89-year-old man with bilateral leg edema and a huge abdominal mass was admitted for further evaluation. CT scan showed a hugh prostatic mass which occupied the whole pelvis cavity accompanying multiple pelvic bone metastases. Suprapubic needle biopsy revealed that the mass was well differentiated adenocarcinoma of prostate origin. The treatment was initiated by 500 mg per day of estramustine phosphate combined with injectable LH-RH analogue 2 months later. The serum levels of tumor markers were markedly elevated at the first visit; PSA 210ng/ml, PAP 110ng/ml, gamma-Sm 800ng/ml. They became normalized 3 months after the initiation of the treatment, and the mass was reduced to 11.5% of the initial size, which lead to removal of indwelling urethral catheter. The patient and his family, however, refused further treatment and the patient died of disseminated disease 8 months later.