外伤性迟发性颅内血肿的CT诊断

为了及早诊治外伤性颅内迟发性颅内血肿，研究外伤性迟发性颅内血肿的ＣＴ表现、ＣＴ随访价值。方法：在１２０例颅脑外伤患者中行ＣＴ随访检查。结果：通过ＣＴ复查，３２例发现有迟发性颅内血肿。其中硬膜外血肿１６例，硬膜下血肿１２例，颅内血肿４例。大约８０％的血肿在外伤后３天内出现。结论：外伤后３天内积极ＣＴ复查能及早发现迟发颅内血肿。即使开初ＣＴ扫描正常者，如病人的临床症状体征有改变，应立即行ＣＴ复查。

CT Diagnosis of Delayed Traumatic Intracranial Hematoma

Objective: To study CT precancerosis and the value of follow-up CT scan for promptly disclosing delayed intracranial hematoma due to trauma. Methods: Follow-up CT scan was Performed in 120 patient with head injury. Results: On re-examination CT scan. 32 delayed intracranial hematoma were discovered. Among them, extradural hematoma was found in 16 cases. subdural hematoma in 12 cases and inttacerebral hematoma in 4 cases. About 80% of delayed hematomas occur within 3 days after trauma.Conclusion:Most of Delayed intracranial hematomas can be demonstrated on CT scan within 3 days after trauma. It is suggested that although the initial CT scan was normal, an immediate repetition of CT examination is indicated whenever patients show deterioration of cliaical symptoms and signs.