小儿肌病的种类繁多,包括先天性肌病、肌营养不良、炎性肌病、代谢性肌病以及内分泌性肌病等,各种肌病的症状、体征相似。仔细询问病史,系统的体格检查以及选择针对性、特异性强的辅助检查对肌病的诊断和鉴别诊断至关重要。肌肉活检是诊断和鉴别诊断肌病的重要手段。肌肉活检之前,要明确肌肉活检的适应证、禁忌证及选择好取材部位。 A variety of pediatric myopathy, including congenital myopathy, muscular dystrophy, inflammatory myopathy, metabolic myopathy and endocrine myopathy, a variety of myopathy symptoms, signs similar. Carefully ask medical history, physical examination and selection of targeted, specific and specific auxiliary examination of myopathy diagnosis and differential diagnosis is essential. Muscle biopsy is an important means of diagnosis and differential diagnosis of myopathy. Muscle biopsy before, to be clear muscle biopsy indications, contraindications and choose a good site.