A.疲乏消瘦,不規(guī)則低熱 B.關(guān)節(jié)酸痛 C.雷諾現(xiàn)象 D.多在頭面及四肢遠(yuǎn)端開(kāi)始出現(xiàn)實(shí)質(zhì)性非可凹性浮腫,表面光滑、繃緊,皮紋消失 E.肢端皮膚粗糙、肥厚、皸裂,硬化如鷹爪