脳梗塞９

【臨床症状】右手不全麻痺

【問題】どこに脳梗塞がある？　また、支配血管、発症時期、病型（分類）について記載せよ

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    ▶答えはこちら
    • 右小脳に梗塞巣あり
    • 支配血管はSCA（上小脳動脈領域）
    • MRAでSCA（上小脳動脈）に狭窄を認めない事から、SCAの穿通枝のアテローム性（塞栓性）が疑われる
    • 発症時期については、DWIで高信号、ADCで低信号、FLAIRで高信号な事から、急性期（1～7日）と推察される（実際は、症状が現れた7時間後にMRI撮影している）
    • 他、左IC-PCに2mmの動脈瘤疑い