【摘要】 目的 回顾性分析等密度硬膜下血肿的CT与MRI影像表现和特征。方法 本组107例均完成CT平扫，其中11例行CT增强扫描，46行例MRI平扫。结果 CT正确诊断等密度硬膜下血肿100例，漏诊7例，CT增强扫描对诊断有一定帮助;46例MRI全部诊断正确。结论 CT对较小的等密度硬膜下血肿(即血肿最大厚度<0.5cm)易漏诊，尤其是双侧小血肿;MRI对诊断等密度硬膜下血肿更具优势。

    关键词 硬膜下血肿 亚急性 慢性 CT MRI

    Comparative study on CT and MRI of isodense subdural hematoma

    Zhang Qilin，Zhang Ling，Ran Yong，et al.

    Department of CT and MRI，Central Hospital of Panzhihua City，Sichuan617067.

    【Abstract】 Objective To analyze retrospectively the findings and characteristics of CT and MRI for Isodense Subdural Hematoma(ISH).Methods 107patients were examined by CT scan，11patients of them was examined by CT contrast.46patients were examined by MRI.Results 100patients were diagnosed correctly by CT ......