Erythema Annulare Centrifugum Associated with Autoimmune Catamenial Dermatitis - Abstract
Erythema Annulare Centrifugum can be considered today as a marker of multiple diseases; there are some reports that mention the presence of this skin 
pathology as an expression of autoimmune dermatitis due to progesterone. A case of erythema Annulare Centrifugum with recurrent evolution and difficult 
control is presented in a female patient in whom, after hormonal treatment, had a favorable response.