报告1例嗜酸粒细胞增多性环状红斑。患者女,58岁。躯干和上肢反复出现红色环状皮损3年。已排除药物、虫咬、自身免疫及肿瘤等原因。皮肤科检查:躯干散在环形红斑,边缘隆起,中央呈褐色斑片。外周血中未见嗜酸性粒细胞升高。皮损组织病理检查示真皮全层血管周围及脂肪小叶明显嗜酸性粒细胞浸润。诊断:嗜酸粒细胞增多性环状红斑。 One case of eosinophilic cystic erythema was reported. Female patient, 58 years old. Trunk and upper limb recurring red ring lesions 3 years. Excluded drugs, insect bites, autoimmune and oncological causes. Dermatology examination: the trunk scattered in the annular erythema, the edge of the bulge, the central brown patches. No increase in peripheral blood eosinophils. Histopathological examination of the skin lesions showed perivascular full thickness of the dermis and significant eosinophil infiltration in the adipose lobules. Diagnosis: Eosinophilic annular erythema.