giant juvenile fibroadenoma presenting in a 15-year-old pregnant woman: a case report

fibroadenoma is the most common benign mass of breast in females 20-50 years of age. juvenile fibroadenoma accounts for only 4% of total fibroadenomas. moreover, the incidence of giant juvenile fibroadenoma is found to be only 0.5% of all fibroadenomas. a 15-year-old woman at the 12th week of gestation was referred to the shahid sadoughi hospital, yazd, iran because of a mass in the right breast from one year ago. on physical examination and imaging, a large mass was found in her right breast. fine needle aspiration biopsy reported fibroadenoma. mass enucleation and breast reconstruction were performed. pathologic examination confirmed a giant fibroadenoma. no serious complications were reported during one-month follow up. the most highlighted point of this presentation was giant size of juvenile fibroadenoma in a pregnant woman. this case report shows that large breast tumors in the adolescent age group can be benign and breast-conserving surgery should be considered in such cases.