皮肌炎与其他結締組織疾患有密切关系,具有皮肤表現和內脏受損变化,主要地損害横紋肌。Walton氏等将皮肌炎分为两組:1.多发性肌炎組,分急性(有肌紅蛋白尿)、亚急性和慢性三型,病变主要表現于肌肉;2.皮肌炎伴肌无力組,肌无力的表現可以明显,亦可不明显,但应具有主要的临床病象或者同时有其他結締組織疾病如胶原疾患等。Bitnum氏等认为,所謂“多发性肌炎”这一术語,在使用上可以和“皮肌炎”替換,但是,只在皮肌炎疾患过程中缺乏通 Dermatomyositis and other connective tissue disorders are closely related, with skin changes and visceral damage, mainly to damage striated muscle. Walton’s and other dermatomyositis are divided into two groups: 1. polymyositis group, sub-acute (with myoglobinuria), subacute and chronic type, the lesions mainly in the muscle; 2. dermatomyositis with muscle Inability group, muscle weakness may be obvious, or not obvious, but should have a major clinical disease or other connective tissue diseases such as collagen disorders. Bitnum’s view that the so-called “polymyositis,” the term used in the “dermatomyositis” replacement, but only in the process of dermatomyositis lack of pass