肌营养不良症是一组由遗传因素所致的肌肉变性疾病 ,包括一系列临床类型 ,自幼发病或疾病与生俱来 ,或几年虽有病 ,但貌似正常的儿童 ,病情逐渐加重 ,易误诊。现将我院近年来收治的 5例不典型肌营养不良患者的诊断情况做一报道 ,并就本病诊断过程中肌电图 (ＥＭＧ)检查的改变及 Muscular dystrophy is a group of muscle degenerative diseases caused by genetic factors, including a series of clinical types, children born or illness at birth, or a few years although the disease, but seemingly normal children, the disease gradually aggravated, Misdiagnosis. Now in our hospital admitted in recent years, 5 cases of atypical muscular dystrophy diagnosis to do a report, and in the diagnosis of the disease EMG examination changes and