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目的 研究弥漫性轴索损伤 (DAI)的CT征象特点 ,旨在提高对DAI的认识 ,以利于早期诊治。材料与方法 对 32例临床疑有DAI的头颅CT扫描资料进行回顾性分析。结果 32例DAI的主要CT表现是 :①脑肿胀 2 4例 ;②脑白质、灰白质交界区、基底节和胼胝体斑点状、小片状出血灶 8例 ;③蛛网膜下腔出血 7例 ;④合并脑挫裂伤 5例、硬膜外 /硬膜下血肿 4例。结论 CT检查是诊断DAI的首选和必检的手段 ,可以间接推测DAI的病理改变及程度 ,有利于作出早期正确、全面的诊断和制定恰当的治疗方案。
Objective To study the CT features of diffuse axonal injury (DAI) in order to improve the understanding of DAI in order to facilitate early diagnosis and treatment. Materials and Methods 32 cases of suspected DAI head CT scan data were retrospectively analyzed. Results The main CT findings of 32 cases of DAI were as follows: (1) 24 cases of brain swelling; (8) white matter, gray matter junction, basal ganglia and corpus callosum spotted flaps with small flaps; 8 cases of subarachnoid hemorrhage (7 cases) ④ merge cerebral contusion in 5 cases, 4 cases of epidural / subdural hematoma. Conclusions CT examination is the first choice and must-check measure for the diagnosis of DAI. It can indirectly predict the pathological changes and degree of DAI, which is helpful to make the correct and comprehensive diagnosis early and to formulate the proper treatment plan.