多发性肌炎和皮肌炎一般认为是同一个疾病的两种表现,属于结缔组织病。近几年国内对本病报告渐多。现将我院于1969～1979年收治的14例报告于后。临床资料本组病例的诊断根据是:①具有多发性肌炎或皮肌炎的临床症状和体征。②血清骨骼酶和/或尿肌酸 Polymyositis and dermatomyositis are generally considered two manifestations of the same disease and are connective tissue diseases. In recent years, the domestic report of the disease gradually. Now our hospital in 1969 to 1979 admitted 14 cases reported later. Clinical data The diagnosis of this group of cases based on: ① with multiple myositis or dermatomyositis clinical symptoms and signs. ② serum skeletal enzymes and / or urine creatine