幼儿皮肌炎是一种严重而比较少见的结缔组织病。以皮肤损害及横纹肌非化脓性炎症为特征。临床表现为严重皮肤溃疡、进行性对称性肌无力、肌痛；随着肌无力的进展可产生吞咽困难、呼吸困难而危及生命。自从采用血浆置换术以来，严重幼儿皮肌炎取得满意疗效。现将我们治疗的... Infantile dermatomyositis is a serious and relatively rare connective tissue disease. Skin damage and striated muscle purulent inflammation characterized. Clinical manifestations of severe skin ulcers, progressive symmetry myasthenia gravis, myalgia; with the development of muscle weakness can produce dysphagia, difficulty breathing and life-threatening. Since the use of plasma exchange, severe dermatomyositis has achieved satisfactory results. Now we treat ...