Unilateral virginal breast hypertrophy

A case of unilateral virginal breast hypertrophy with a review of the etiol ogical factors and treatment modalities is presented. A 16-year-old girl pr esented with progressive enlargement of the left breast of 5 months' durati on. The result of the mammographic examination was consistent with cystosar coma phyllodes, Fine-needle aspiration biopsy revealed giant fibroadenoma, A[though some of the characteristics of the fine-needle aspiration biopsy s pecimen were suspicious for cystosarcoma phyllodes, there were no adequate epithelial structures, which are obligatory for the diagnosis. The patient was treated with subcutaneous mastectomy and subpectoral insertion of a sil icone gel implant. The histopathological examination was consistent with vi rginal hypertrophy. The breast maintained its volume with no further growth in the affected or in the normal breast after 4 years of follow-up.