皮质激素疗法改变了很多儿童皮肌炎病例的不良预后。但是,治疗的实际掌握仍然有困难。定期测定血清肌酶有助于指导治疗。患儿7岁,男。乏力,行走困难,面部红斑浸润。躯干和四肢水肿.肌肉萎缩,二肘关节肿胀,活动障碍。表情淡漠,说话缓慢,轻度呼吸困难。 X线摄片示左小腿皮下有钙质沉着。肌电图示典型肌变化。肌肉生物学检查:谷草转氨酶45单 Corticosteroid therapy has altered the poor prognosis of many cases of childhood dermatomyositis. However, the actual treatment of the treatment is still difficult. Regular serum creatine kinase helps guide therapy. Children 7 years old, male. Fatigue, difficulty walking, facial erythema infiltration. Torso and limb edema. Muscle atrophy, two elbow swollen, mobility disorders. Indifferent expression, speak slowly, mild breathing difficulties. X-ray showed left calf subcutaneous calcific. EMG shows typical muscle changes. Muscle biology check: aspartate aminotransferase 45 single