嗜伊红性多发性肌炎最近才被报导,其特点为肌肉压痛及肿胀,突发的系统性疾病伴有心包炎、心肌炎及心力衰竭;肢体近端力弱,肌酸激酶(CK)水平升高,肌电图表现为典型的多发性肌炎;肌肉活检可见明显的嗜伊红细胞浸润;有嗜伊红细胞的增多.作者报告1例与上述情况基本相符,只是于疾患顶峰时血液中未见嗜伊红细胞增多.病例报告如下:男性,43岁,于1976年11月左股四头肌肿胀压痛,X光胸片正常,血涂片示轻度嗜伊红细胞增多, Eosinophilic polymyositis has only recently been reported and is characterized by tenderness and swelling in the muscles, sudden onset of systemic disease associated with pericarditis, myocarditis and heart failure, weak limbs, and creatine kinase (CK) EMG showed typical polymyositis; muscle biopsy showed obvious eosinophil infiltration; there is an increase of eosinophils .A report of the patient with the above basic situation, but at the peak of the disease when the blood is not See Eosinophilia. Case reports are as follows: Male, 43 years old, in November 1976 left quadriceps swelling tenderness, X-ray normal, blood smear showed mild eosinophilia,