DOI: 10.36347/sasjs.2018.v04i06.001

Pages: 118-120

Primary ectopic breast carcinoma is a very rare and progressive cases, most commonly encountered in the advanced stage. Most of the cases develop from the ectopic breast tissue, and it may occur along the milk line within the area from the axilla to the external genital region. Ectopic breast tissue is observed in the 6% of the female population and is mostly encountered in the axilla. Clinically, the most frequently encountered type of Primary ectopic breast carcinoma is the one which originates from the ectopic breast tissue located in the axillary and it constitutes 70% of all Primary ectopic breast carcinomas. Histopathologically, the most common type is invasive ductal carcinoma (72%). Because of ectopic breast cancer is a very rare entity and is usually confused with other pathologies. Hence it is encountered in advanced stages. It should be taken into account that axilla-based masses may be ectopic breast tissue.