重症肌无力（MG）是一种神经肌肉接头处传递障碍的自身免疫性疾病。我院1987年1月～1997年10月收治41例MG。分析如下。1临床资料1．1一般资料住院患儿29例，门诊患儿12例。男19例，女22例；年龄8个月～14岁，其中8个月～2岁9例，～3岁19例，～5岁6例，～10岁5例，～14岁2例。来 Myasthenia gravis (MG) is an autoimmune disease that impairs the delivery of neuromuscular junctions. Our hospital from January 1987 to October 1997 admitted 41 cases of MG. analyse as below. 1 Clinical data 1.1 General Information 29 cases of hospitalized children, outpatients in 12 cases. There were 19 males and 22 females, ranging in age from 8 months to 14 years. Of them, 8 patients were younger than 2 years old, 9 cases were aged 3 years, 6 cases were 5 years old, 5 cases were ~ 10 years old and 2 cases were ~ 14 years old. Come