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脉络膜乳头状瘤MRI表现

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摘要 目的探讨脉络膜乳头状瘤的MRI表现。方法回顾性分析经病理证实的16例脉络膜乳头状瘤患者的临床资料。结果 16例患者中,6例位于第四脑室,3例位于侧脑室,3例位于桥小脑角区,2例位于第三脑室,2例位于小脑蚓部。脉络膜乳头状瘤病变T1WI呈等、长或混杂长T1信号,T2为长或混杂长T2信号,病变呈颗粒状或桑葚状。黑水像上,位于脑室内病变呈高信号,脑室外病变呈等信号。8例患者行DWI弥散不受限。15例增强呈明显强化,1例呈环状强化。结论 3.0 MRI对脉络膜乳头状瘤的诊断价值很大。
作者 杜秀明
出处 《中国实用神经疾病杂志》 2011年第21期94-96,共3页 Chinese Journal of Practical Nervous Diseases
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