颅内结核的MRI诊断  

MRI diagnosis of intracranial tuberculosis

作　　者：蒋蕾[1] 

机构地区：[1]南阳医学高等专科学校第一附属医院放射科,473058

出　　处：《中国实用医刊》2013年第12期22-23,共2页Chinese Journal of Practical Medicine

摘　　要：目的探讨颅内结核的MRI表现及诊断价值。方法回顾性分析24例颅内结核患者的MRI表现。在24例颅内结核患者中男13例，女11例，年龄5～64岁。平均34．5岁。全部患者均经MRI平扫及静脉注射钆喷替酸葡甲胺（GD—DTPA）后扫描检查。结果MRI平扫发现14例位于基底池脑膜病灶，增强扫描19例脑膜病变异常强化，11例伴有脑质内栗粒样多发结核病灶及结核性室管膜炎5例，脑积水2例。结核瘤5例，直径为2．0～6．0cm（3例）T1WI等／低信号，T2WI低／高信号，不规则小厚环或花环状蜂房样强化。直径5～2．0mm（2例）多发等或略低信号，T2WI呈高信号．结节状均匀或不均匀强化。结论MRI能较CT更清楚地反映颅内结核的各种病理不同时期MRI信号改变，具有一定特征性，对确立诊断、观察疗效、判断预后有非常重要的价值。Objective To investigate the MRI performance of intracranial tuberculosis and its diagnostic value. Methods The MRI manifestation of twenty-four cases of intracranial tuberculosis was retrospectively analyzed. Among the 24 cases of intracranial tuberculosis, male in 13 cases, female 11 cases, age 5 - 64 years old. Average age was 34.5 years old. All patients were an MRI on flat esau and intravenous gadolinium injection tbr acid Portuguese armour amine （GD-DTPA） after the scan. Results MRI flat esau found in 14 cases of basal cistern meningeal lesions, 19 meningeal lesions in enhancing scanning, 11 cases with abnormal aggrandizement brain mass inside chestnut grain sample multiple tuberculosis kitchen and tuberculous ependymal inflammation in 5 cases, hydrocephalus in 2 cases. Tuberculosis tumor in 5 cases, diameter ranged from 2. 0 -6.0 cm（ 3 cases） T1WI/low signal, T2WI low/high signal, irregular small thick ring or spend cricoid hive sample aggrandizement 5 -2.0 mm in diameter （n = 2） muhip]e or slightly low signal, T2WI has high signal, nodular uniform or uneven aggrandizement. Conclusions CT MRI can more clearly reflect intracranial tuberculosis in different periods of various pathological changes, has certain MRI signal characteristic, it has important value in defining the diagnosis, observing the curative etfect, and judging the prognosis.

关 键 词：颅内结核 MRI 诊断 

分 类 号：R529.3[医药卫生—内科学] R445.2[医药卫生—临床医学]