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目的探讨脑结核的CT表现特点。资料与方法经临床和/或手术病理证实的脑结核患者40例,治疗前均做CT检查。其中平扫加增强扫描36例,单纯平扫4例。结果 40例中,结核性脑膜炎32例,结核性脑膜炎并结核瘤4例,单纯性脑结核瘤和结核性脑脓肿各2例。32例结核性脑膜炎表现为脑底池明显强化,鞍上池变窄、闭塞,合并脑积水30例,脑梗死18例。6例脑结核瘤和2例结核性脑脓肿增强扫描呈结节状和环状强化,多数灶周有轻至中度脑水肿。结论根据临床和CT表现,多数可提示脑结核的诊断。
Objective To explore the CT features of brain tuberculosis. Materials and Methods 40 cases of brain tuberculosis confirmed by clinical and / or surgical pathology were examined by CT before treatment. Among them, 36 cases were plain scan and enhanced scan, and 4 cases were plain scan. Results Among the 40 cases, 32 cases were tuberculous meningitis, 4 cases were tuberculous meningitis and tuberculoma, 2 cases were simple brain tuberculosis and tuberculous brain abscess respectively. 32 cases of tuberculous meningitis showed obvious enhancement of the brain pool, suprasellar sulci narrowing, occlusion, hydrocephalus in 30 cases, 18 cases of cerebral infarction. Six cases of brain tuberculoma and two cases of tuberculous brain abscess enhanced scan showed nodular and annular enhancement, most of the lesions have mild to moderate cerebral edema. Conclusion According to the clinical and CT findings, most can prompt the diagnosis of cerebral tuberculosis.