A 52-year-old woman with asymptomatic annular erythematous plaques

A 52-year-old woman sought medical attention because of several annular erythematous lesions with central clearing on her body since seven months ago. No pruritus or burning sensations were noted. Her medical and family history was unremarkable. Her Fitzpatrick skin photo-type was II. On dermatological physical examination, there were several annular erythematous plaques with raised borders and central clearing on dorsal aspect of her hands, wrists, forearms, and neck. (Figures 1 and 2) General physical examination was unremarkable. An incisional skin biopsy was done from one of her lesions including the normal skin, border, and center of the lesion. Histological examination showed intact epidermis, and infiltration of histiocytes and multinucleated giant cells centered in the mid dermis. There were areas of almost complete loss of elastic fibers surrounded by histiocyte aggregates. There was also mild to moderate mainly lymphocytic infiltration around the vessels. Mucin deposition was not seen (Figures 3 to 6).