Resumo

PEREZ-GARCIA, Cristina; ARIZA JIMENEZ, Ana B; CAMACHO LOZANO, Laura  e  DE LA CAMARA MORANO, Carmen. Importance of the exhaustive anamnesis to an unexplained unilateral gynecomastia in a child. Arch. argent. pediatr. [online]. 2018, vol.116, n.5, pp.e655-e658. ISSN 0325-0075.  http://dx.doi.org/10.5546/aap.2018.e655.

Gynecomastia consists of breast enlargement due to a hormonal imbalance between estrogens and androgens. Unilateral and important breast growth requires ruling underlying pathologic disorders out. Mechanical cause is uncommon, causing enlargement by repeated stimulation. We report a 6-year-old boy with unilateral gynecomastia. Hyperprolactinemia is the only abnormal finding at laboratory tests. After repeated inquiries, a continuous breast selfstimulation is detected. Its relation with gynecomastia is verified because prolactin normalizes and breast regressed in further revisions, after stopping stimulus.

Palavras-chave : Gynecomastia; Prepubertal.

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