摘要:目的探讨磁敏感加权成像(SWI)在脑内海绵状血管瘤诊断中的价值。方法19例脑内海绵状血管瘤患者接受MRI检查,比较T2WI—TSE及SWI序列对脑内海绵状血管瘤的诊断情况。结果1.T2WI—TSE序列共显示脑内海绵状血管瘤81处,SWI序列共显示脑内海绵状血管瘤292处,SWI序列显示脑内海绵状血管瘤的比例显著高于T2WI—TSE序列(P〈0.01)。2.在铁环征的显示中,T2WI—TSE序列显著高于SWI序列(P〈0.01)。SWI序列显示脑内海绵状血管瘤平均径线显著高于T2WI—TSE序列(p〈0.01)。结论SWI序列对脑内海绵状血管瘤十分敏感,可以清晰显示其影像学特征,具有很高的应用价值。
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