A rare unilateral giant fibroadenoma of the breast during pregnancy and lactation

Fibroadenomas are the most common breast masses in adolescent women. Giant fibroadenomas are an uncommon disease during pregnancy and lactation. Significant enlargement might result in breast asymmetry and deformity. We present a rare case of giant fibroadenoma during pregnancy and lactation with significant breast asymmetry. Excision with round block technique leaves a discrete scar and a cosmetic contour.