Mammary carcinoma in ectopic breast tissue. Report of one case

Ectopic breast tissue, that includes supernumerary breasts and aberrant bre ast tissue, develops along the mammary line. Malignancies rarely develop in this tissue. We report a 44 years old female subjected to a resection of a 3 cm empty set tumor located 2 cm below the right lower mammary sulcus. Th e pathological study reported an infiltrating ductal carcinoma. The patient was operated again and a metastatic carcinoma was detected in three resect ed axillary lymph nodes, Adjuvant chemotherapy and radiotherapy was indicat ed (Rev MW Chile 2001; 129: 663-5).