erythema annulare

例句：

1. 1.The patient had a history of erythema annulare, which is a common skin condition.
   患者有环形红斑的历史，这是一种常见的皮肤状况。
2. 2.The doctor diagnosed the patient with erythema annulare and prescribed antibiotics for treatment.
   医生诊断出患者患有环形红斑，并为其开具了抗生素进行治疗。
3. 3.Erythema annulare can be caused by various factors, including stress, infection, and autoimmune diseases.
   环形红斑可以由多种因素引起，包括压力、感染和自身免疫疾病。