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目的探讨颅内结核的MRI表现及其诊断。方法对2005-02—2006-12157例临床确诊颅内结核患者的临床与MRI资料进行回顾性分析。结果157例患者中有151例MRI表现异常,占96.2%,其中脑膜结核58例,表现为脑池、脑裂的模糊、闭塞,甚至消失,脑膜异常强化;脑实质结核65例,表现为粟粒样小结节、结核瘤及结核性脓肿;混合型28例。颅内结核的常见并发症有脑积水、脑动脉炎及脑梗塞。结论MRI(平扫+增强)能准确反映颅内结核的病理变化,对颅内结核的定性诊断具有重要价值。
Objective To investigate the MRI findings and diagnosis of intracranial tuberculosis. Methods The clinical and MRI data of 2005-02-2006-12157 cases of clinically confirmed intracranial tuberculosis were retrospectively analyzed. Results Of the 157 patients, MRI showed abnormality in 151 cases, accounting for 96.2%. Among them, 58 cases of meningococcal tuberculosis showed vague, occlusive or even disappearance of cerebral pools and cerebral fissures, with abnormal meningeal enhancement. Cerebral parenchymal tuberculosis (65 cases) showed miliary Small nodules, tuberculoma and tuberculous abscess; mixed 28 cases. Common complications of intracranial tuberculosis hydrocephalus, cerebral arteritis and cerebral infarction. Conclusion MRI (scan + enhancement) can accurately reflect the pathological changes of intracranial tuberculosis, which is of great value for the qualitative diagnosis of intracranial tuberculosis.