The Ewha Medical Journal
Ewha Womans University School of Medicine
Case Report

A Case of Accessory Axillary Breast Tissue

Soyun Cho, Yeon-Soon Lim, Hae-Young Choi, Ki-Bum Myung

Copyright ⓒ 1997. Ewha Womans University School of Medicine. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Published Online: Jul 24, 2015


A case of unilateral accessory axillary breast tissue developed as a subcutaneous nodule unassociated with menstrual periods, pregnancy, or lactation in a 33-year-old parous woman. Histopathologic finding of the nodule revealed lobules of normal breast tissue forming islands of glandular tissue, This case belongs to one of the unusual forms of supernumerary breast tissue characterized by the presence of aberrant gland tissue alone. The literature is briefly reviewed.

Keywords: Accessory axillary breast tissue