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目的探讨脑室内积脓的MRI表现。方法回顾性分析经临床证实的5例脑室内积脓病人的MRI表现。所有病人做了MRI平扫,3例做了扩散加权成像。结果5例病人都表现为双侧侧脑室承重部位的组织碎屑、脓液-脑脊液平面,脓液在T1WI呈相对于脑脊液的稍高信号,T2WI呈相对于脑脊液的稍低信号。1例在扩散加权像为高信号,2例为等信号。结论脑室内积脓的MRI表现具有特殊性,能够明确诊断。
Objective To investigate the MRI findings of intraventricular hypokaleses. Methods Retrospective analysis of MRI findings of clinically confirmed 5 cases of patients with intraventricular. All patients underwent MRI plain scan and 3 patients underwent diffusion-weighted imaging. Results All the 5 patients presented with tissue debris in the bilateral lateral ventricles. Pus-CSF level, pus showed a slightly higher signal at T1WI compared with cerebrospinal fluid, and T2WI showed slightly lower signal at cerebrospinal fluid. 1 case of diffusion weighted image is high signal, 2 cases of equal signal. Conclusion Intraventricular empyema MRI performance is specific, can confirm the diagnosis.