CASE REPORT article
Front. Oncol.
Sec. Breast Cancer
Volume 15 - 2025 | doi: 10.3389/fonc.2025.1674230
A case report of ectopic breast cancer of the left upper extremity with literature review
Provisionally accepted
- 1Department of Ultrasonography, Shanxi Bethune Hospital, Shanxi Medical University, Taiyuan, China
- 2Department of Interventional Therapy, Shanxi Hospital Affiliated to Cancer Hospital, Taiyuan, China
- 3Shanxi Bethune Hospital, Shanxi Medical University, Taiyuan, China
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Ectopic breast cancer (EBC) is a rare type of breast cancer that originates from ectopic breast tissue. This article describes a case with left breast cancer complicated by a second primary breast cancer of the left upper extremity, and summarizes the relevant literature to review the epidemiology, clinical presentation, pathologic features, imaging tests, treatment strategies, and prognosis of EBC with the aim of providing clinicians with a comprehensive reference to improve the understanding and management of this disease.
Keywords: Ectopic breast cancer, case report, diagnosis, literature review, Imaging examination
Received: 27 Jul 2025; Accepted: 16 Sep 2025.
Copyright: © 2025 Jia, Wang, Xue and Zhao. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Ting-ting Xue, xuetingting@sxbqeh.com.cn
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