Synonyms: erythema gyratum perstans, erythema exudativum perstans, erythema marginatum perstans, erythema perstans, erythema figuratum perstans, erythema microgyratum perstans, erythema simplex gyratum
This is a companion discussion topic for the original article at https://patient.info/doctor/dermatology/erythema-annulare-centrifugum