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假肥大型肌营养不良症40例临床特征与基因诊断

Stroke and Nervous Diseases(2009)

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Abstract
目的对假肥大型肌营养不良症(DMD/BMD)患者总结其临床特征并进行基因诊断,以提高对DMD/BMD疾病的认识及诊断水平。方法对40例DMD/BMD患者临床特征进行总结包括临床表现、血清肌酶、肌电图及肌肉活检等,并应用18对引物多重PCR的方法对其进行Dystrophin基因缺失诊断。结果DMD/BMD为儿童期隐匿起病、缓慢进行性加重,以肌无力和肌萎缩为特点,主要选择性侵犯四肢近端肌、盆带肌、腰带肌等,可有肌肉假性肥大,有些患者可有智能减退和心肌损害;血清肌酶水平异常增高,肌电图示肌源性损害,肌肉活检呈肌病特征。基因诊断27例存在外显子片段缺失,13例未检测到缺失。结论识别DMD/BMD的临床特征有助于提高对其的诊断水平,多重PCR作为一种简便快速的诊断方法可对DMD/BMD患者进行基因诊断。
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Duchenne/Becker muscular dystrophy Clinical features Gene diagnosis
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