前立腺癌の脳転移に対してガンマナイフが有効であった1症例

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前立腺癌による転移性脳腫瘍を認めた.血清PSA値が正常であるにも拘わらず,低分化前立腺癌であった.脳転移巣による神経症状に対して,ガンマナイフ治療が有効であり,患者のQOLを著しく向上することができたA 59-year-old male visited us with a chief complaint of dysuria. The serum prostate specific antigen (PSA) level was within normal limits, and intravenous pyelography and urethrocystography showed no abnormal findings. Because of his urinary retention, transurethral resection of prostate was performed under a clinical diagnosis of benign prostatic hyperplasia. The pathological diagnosis was poorly differentiated adenocarcinoma of the prostate. Not only combination hormone therapy with goserelin acetate and flutamide, but also intermittent arterial infusion chemotherapy with cisplatin (CDDP) and pirarubicin (THP) using a reservoir system was administered. Additionally total pelvic irradiation was delivered. Magnetic resonance imaging (MRI) demonstrated that his prostate was reduced to less than 50% in size and he had no difficulty in voiding. He suddenly developed dysarthria and hemiplegia 3 months later. MRI and computed tomography (CT) revealed multiple brain metastases. After the gamma knife radiosurgery, neurological findings disappeared and MRI showed dramatic shrinkage of metastatic brain tumors. Metastasis to the pancreas was recognized on CT and he died of multiple organ failure 30 months after his first visit.

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阪倉民浩
大阪市立住吉市民病院泌尿器科

前立腺癌の脳転移に対してガンマナイフが有効であった1症例

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