A galactocele is a rare benign breast lesion usually occurring in females d
uring or following lactation. These lesions are a rare cause of breast enla
rgement in infants and children. In this article we present a 10 month-old
boy who was admitted with a two-month history of bilateral progressive brea
st enlargement, and diagnosed as having galactocele. Our purpose was to emp
hasize the importance of galactocele as a benign condition in the different
ial diagnosis of gynecomastia in childhood.