术前规划:该血肿属于脑干血肿分型中的I型-偏侧型。设置靶点于血肿中心,由对侧小脑作为入路,可以贯穿整个血肿长轴,同时兼顾脑干与四脑室血肿,同时将弓形架偏转角角度尽量增大,以避开横窦。定位:靶点设置:X 110 Y 77 Z 128, 定向:弓形架偏转角198度,拖板偏转角70度(图2)。血肿的浅深点分别位于靶上5mm及靶下5mm。
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