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目的:研究颅脑外伤迟发性脑内血肿的CT表现。方法:搜集CT复查证实的外伤性迟发性脑内血肿40例,对其首次CT检查及复查的CT影像进行分析。结果:40例迟发性脑内血肿首次CT检查主要异常表现包括:局限性脑实质密度降低,灰白质分界不清;局限性蛛网膜下腔出血;局限性脑占位效应,脑沟变浅,脑中线结构偏移;硬膜下血肿等。所有迟发性血肿均发生在24～96h。结论:CT没有发现脑血肿,对症治疗后病情不见好转,症状加重者,应立即再次CT扫描,以便及时明确诊断,采取正确的治疗方法。
Objective: To study the CT manifestations of delayed intracerebral hematoma in patients with traumatic brain injury. Methods: Forty cases of traumatic delayed intracerebral hematoma confirmed by CT scan were collected and the CT images of their first CT examination and review were analyzed. Results: The main abnormalities of CT scan in 40 patients with delayed intracerebral hematoma included the following: reduced local parenchyma densities, unclear demarcation of gray matter, limited subarachnoid hemorrhage, limited brain mass effect, shallow cerebral sulcus , Shift of brain midline structure; subdural hematoma and so on. All delayed hematoma occurred in 24 ~ 96h. Conclusion: No cerebral hematoma was found in CT, the condition did not improve after symptomatic treatment. If the symptoms worsen, CT scan should be performed again immediately in order to confirm the diagnosis timely and take the correct treatment.