A nodule on the breast: what’s your diagnosis?

Abstract

A 35-year-old healthy women presented with well-circumscribed purplish nodule of the right breast. The lesion was painless and had enlarged insidiously for more than 3 months. The patient reported no previous trauma or insect bite to the area involved. Physical examination revealed a dark reddish nodule, measuring about 1*1.5 cm with a cystic appearance (Fig. 1). There was neither ulceration nor crusting, and the dimple sign was negative. Figure 3: Dense dermal fi brohistiocytic infi ltrate in a rich connective vascular stroma (HE* 100). Figure 4: A hemosiderin pigments deposition and dilated blood vessels (HE*400).