Erosive adenomatosis of the nipple is a rare benign lesion arising from the lactiferous sinuses. A 14-year-old girl with a nipple-pricked, left nipple lesion that had been evolving for 15 days with purulent discharge was referred to breast consultation. An oozing eczema-like nipple lesion with a yellowish discharge which secondarily took on the appearance of an ulcerated tumor was observed. Breast ultrasound found no abnormality. An excision of the lesion was performed. The diagnosis of erosive adenomatosis of the nipple was given on histological examination. This rare benign proliferative lesion has an excellent prognosis and is important to recognize as its care differs from that of differential diagnostic entities.
Keywords: Adolescent girl; Adolescente; Adénomatose érosive du mamelon; Erosive adenomatosis of the nipple; Mamelon; Nipple.
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