Neurological Surgery 脳神経外科46巻12号

2018年12月発行

症例

腫瘍内出血を来したdiffuse astrocytoma with pilomyxoid featuresの1例

著者： 松浦知恵¹ 栄山雄紀¹ 野手康宏¹ 上田啓太¹ 安藤俊平¹ 桝田博之¹ 近藤康介¹ 原田直幸¹ 根本匡章¹ 周郷延雄¹

所属機関： ¹東邦大学医学部医学科脳神経外科学講座（大森）

ページ範囲：P.1073 - P.1079

Ⅰ．はじめに
　脳腫瘍で腫瘍内出血を来す頻度は0.6〜14.6%とされ，出血を来しやすいのは一般的に転移性脳腫瘍や膠芽腫などの悪性脳腫瘍である²¹⁾．腫瘍内出血の頻度は，転移性脳腫瘍では2.9〜14%で，原疾患として，肺癌，悪性黒色腫，絨毛癌，甲状腺癌が多い¹⁶⁾．また，原発性脳腫瘍である神経膠腫では3.7〜7.2%の頻度であり，膠芽腫の頻度が最も高く，low grade glioma（LGG）は1%未満と稀である^1,5,10,15)．今回われわれは，腫瘍内出血で発症し，脳血管撮影において動静脈短絡を呈したdiffuse astrocytomaの1例を経験したので報告する．

参考文献

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