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多种影像技术对MELAS型线粒体脑肌病的诊断价值(附14例报告) 被引量:1

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摘要 目的:探讨多种影像技术对MELAS型线粒体脑肌病的诊断价值。方法:回顾性分析14例MELAS患者的临床资料及多种影像技术检查结果。结果:本组病例均行MR扫描,13例显示脑内多发性或游走性恼梗死样病灶,主要累及大脑半球后部皮层和皮层下,病变与血管分布区尤关,1例主要表现为白质内改变,均呈为长T_1、长T_2信号,6例显示不同程度的脑萎缩;6例行MRA扫描,其中2例MRA示病灶处血管分支明显增粗:13例行MRS扫描,其中10例MRS在病灶处检出乳酸双峰,1例在脑脊液中检出乳酸双峰:1例行DSA检查示病灶内血管分支增粗,血运加快。8例行CT检查病灶均呈低密度改变。结论:综合应用多种影像技术,可明显提高MELAS的诊断准确性,对其早期诊断、指导治疗、判断疗效和提示预后具有重要价值。
出处 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2008年第11期1494-1497,共4页 Journal of Nanjing Medical University(Natural Sciences)
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