Objective To observe CT findings of progressive muscular dystrophy(PMD)and to evaluate the diagnostic value of CT.
目的研究进行性肌营养不良症（PMD）的CT表现及CT在诊断中的价值。
Muscular dystrophy is a group of more than 30 genetic diseases, characterized by progressive weakness and deterioration of skeletal muscles.
肌营养不良是30种遗传性疾病的一种，以骨骼肌进展性无力和变性为特点。
Muscular dystrophy is a group of more than 30 genetic diseases, characterized by progressive weakness and deterioration of skeletal muscles.
肌营养不良是30种遗传性疾病的一种，以骨骼肌进展性无力和变性为特点。
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