【摘要】 目的 分析脑内结核瘤的MRI表现，进一步提高对本病的诊断和鉴别诊断水平。方法 回顾性分析9例脑内结核瘤的MRI表现，其中7例经手术病理证实，2例临床证实。结果 脑内结核瘤平扫T1WI为低或(和)等信号，T2WI为低、等或(和)高信号，Gd-DTPA增强后，病灶呈结节状或(和)环状强化，病灶邻近脑膜亦有强化。结论 MRI能对脑内结核瘤作出诊断，需与脑脓肿、转移瘤、脑囊虫和胶质瘤鉴别，结核瘤邻近脑膜的强化有助于鉴别诊断，但邻近脑膜强化改变与细菌性脑脓肿难以鉴别。

    【关键词】 结核瘤； MRI； 脑膜

    【Abstract】 Objective To analyze brain tuberculoma on magnetic resonance imaging(MRI) findings retrospectively and develop the level of diagnosis and differential diagnosis to brain tuberculoma. Methods MRI findings of nine patients with brain tuberculoma were analyzed retrospectively. Of these 9 cases ......