Abstract
患儿 女,9岁,因"肢体无力2年3个月余,加重7个月"就诊。临床表现为逐渐进展的不对称性肌无力,病初因存在部分类似肌炎的表现而误诊为炎症性肌病,后根据免疫治疗反应欠佳考虑为遗传性肌病。基因检测发现FHL1基因c.311G>A,p.C104T,为已知杂合新生致病性变异,进一步对肌肉组织行甲萘醌-硝基四氮唑盐染色,发现胞质内蓝紫色包涵体,最终确诊还原体肌病。.
MeSH terms
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Child
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Genetic Diseases, X-Linked / genetics*
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Humans
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Intracellular Signaling Peptides and Proteins / genetics*
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Intracellular Signaling Peptides and Proteins / metabolism
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LIM Domain Proteins / genetics*
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Muscle Proteins / genetics*
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Muscle Proteins / metabolism
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Muscle, Skeletal / metabolism
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Muscle, Skeletal / pathology*
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Muscular Diseases / genetics*
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Muscular Diseases / metabolism
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Muscular Diseases / pathology
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Mutation, Missense
Substances
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FHL1 protein, human
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Intracellular Signaling Peptides and Proteins
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LIM Domain Proteins
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Muscle Proteins