Glioblastoma Multiforme Associated With Klinefelter Syndrome : Case Report

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A 54-year-old man with Klinefelter syndrome presented with glioblastoma multiforme manifesting as a 2-week history of motor weakness of the bilateral extremities. Magnetic resonance imaging showed multiple heterogeneously enhanced tumors in the bilateral frontal lobes. Angiography showed no tumor stain or arteriovenous shunt. The tumor was partially removed through a right craniotomy. The histological diagnosis was glioblastoma. Immunohistochemical examination showed no O6-methylguanine-deoxyribonucleic acid methyltransferase protein expression. Postoperative local radiotherapy (60 Gy/30 fractions) combined with temozolomide (75 mg/m2 × 42 days) and interferon-beta (3,000,000 U, 3 times/week) was performed. The patients clinical status rapidly deteriorated during chemoradiotherapy, and he died of tumor progression 3.5 months after the surgery. Postmortem examination revealed widespread glioblastoma infiltrating the basal ganglia and thalamus. Klinefelter syndrome is associated with increased cancer predisposition, especially for male breast cancer and germ cell tumors, but glioma is extremely rare. The abnormal genetic constitution of this patient may have been directly responsible for the poor outcome.
社団法人　日本脳神経外科学会の論文
2009-11-15