问题
问答题 简答题
关于“硬膜外血肿”CT平扫有哪些表现?
答案
参考答案：
硬膜外血肿的CT表现有：①颅骨内板下双凸透镜状高密度区，偶见半月形。②CT值为40～96HU。③血肿密度多均匀，范围局限，边缘锐利光滑，血肿范围一般不超过颅缝。④占位效应较轻。⑤常合并骨折。⑥急性期硬膜外血肿常为高密度，慢性期则多为等密度或低密度影。
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关于“硬膜外血肿”CT平扫有哪些表现?
参考答案：
硬膜外血肿的CT表现有：①颅骨内板下双凸透镜状高密度区，偶见半月形。②CT值为40～96HU。③血肿密度多均匀，范围局限，边缘锐利光滑，血肿范围一般不超过颅缝。④占位效应较轻。⑤常合并骨折。⑥急性期硬膜外血肿常为高密度，慢性期则多为等密度或低密度影。
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