Cystic hygroma of the breast, also known as cystic lymphangioma, is a very rare congenital malformation of the lymphatic system. The lesion consist of single or multiple cavities within the soft tissues. Surgical excision is considered the treatment of choice. The Authors report a revision of the literature and describe two cases observed in adolescents aged 13 and 17 years. Although rare, cystic
... [Show full abstract] hygroma must be included in the differential diagnosis of breast enlargement.