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Revista chilena de pediatría

Print version ISSN 0370-4106


ZEGPI, María Soledad; DOWNEY, Camila  and  VIAL-LETELIER, Verónica. Mammary duct ectasia in children. Rev. chil. pediatr. [online]. 2015, vol.86, n.4, pp.287-290. ISSN 0370-4106.

Introduction: Bloody nipple discharge is an infrequent symptom during childhood. The most common cause in this population is mammary duct ectasia (MDE), which is a benign and self-limiting condition, that is characterized by dilatation of the mammary ducts, fibrosis and periductal inflammation. Objective: Report of a case of MDE in order to improve physicians’ diagnosis accuracy and avoid aggressive studies and treatments. Case report: Six-months old male healthy infant, exclusively breastfeeded, that visited our clinic with a lump beneath his right nipple and bloody discharge from the same nipple. An ultrasound was performed which showed a multicystic lesion suggestive of MDE. Watchful waiting was decided as treatment, with good evolution after six months of follow up. Conclusions: The MDE is the leading cause of bloody discharge in pediatric population, being a benign condition that resolves spontaneously before nine months. The knowledge of this condition is essential so as to accurately diagnose and treat it.

Keywords : Mammary duct ectasia; Breast lump; Bloody nipple discharge, Children.

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