播散性嗜酸细胞性胶原病Disseminated eosinophilic collagen disease(以下简称DECD)其临床症状多种多样,可有:①红斑、浮肿、异位性皮炎样皮疹、痒疹等皮肤症状;②哮喘样呼吸困难、一过性肺炎样症状;③关节痛、关节风湿症状;④肌病、肌力低下;⑤不规则发热;⑥淋巴结肿大;⑦肝、脾肿大等。检查所见:①末梢血和骨髓高度嗜酸细胞增多症;②血沉快、C反应蛋白阳性、类风湿因子阳性;③高丙种球蛋白血症; Disseminated eosinophilic collagen disease (hereinafter referred to as DECD) A variety of clinical symptoms, may have: erythema, edema, atopic dermatitis rash, prurigo and other skin symptoms; asthma-like dyspnea , Transient pneumonia-like symptoms; ③ joint pain, rheumatoid arthritis; ④ myopathy, low muscle strength; ⑤ irregular fever; ⑥ lymphadenopathy; ⑦ liver, splenomegaly and so on. Check the findings: ① peripheral blood and bone marrow hypereosinophillia; ② ESR, C-reactive protein positive, rheumatoid factor positive; ③ high gamma globulin;