文献詳細
特集 神経系の悪性リンパ腫update
文献概要
典型例では,中枢神経系の悪性リンパ腫の画像診断は比較的容易である。すなわち,単純CTで高吸収を示し,側脳室近傍に単発あるいは多発する病変で,T2強調画像で皮質と比較し等~低信号を呈し,通常拡散強調画像で高信号を呈する。他の腫瘍と比較して,浮腫,mass effectは比較的少ない。しかし,診断のプロセスで安易にステロイドを使わないことが重要で,また,sentinel lesionと呼ばれる病態があり,留意する必要がある。
参考文献
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