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目的:提高对等密度硬膜下血肿的认识。方法:对我院42例术前CT诊断为等密度硬膜下血肿病例进行回顾性分析。结果:42例等密度硬膜下血肿术前CT均诊断正确。结论:等密度硬膜下血肿与血肿存在的时间、硬脑膜一皮层间虹桥静脉破裂、蛛网膜破裂、脑脊液进入血肿及贫血等因素有关;期间接征象在等密度硬膜下血肿CT诊断中起着重要作用。
Objective: To improve the understanding of the equivalent density of subdural hematoma. Methods: 42 cases of myelodysplastic aneurysm diagnosed as isodense hematoma were retrospectively analyzed. Results: 42 cases of equal density subdural hematoma preoperative CT were diagnosed correctly. Conclusions: Isodense hematoma is related to the time of hematoma, the rupture of the dural bridge and the arachnoid rupture, the cerebrospinal fluid into the hematoma and anemia, etc. An important role.