CASE REPORT article
Front. Oncol.
Sec. Breast Cancer
Volume 15 - 2025 | doi: 10.3389/fonc.2025.1548521
Fibromatosis in the accessory breast mimicking a malignant tumor: a rare case report and literature review
Provisionally accepted
- 1Taian Hospital of Traditional Chinese Medicine, Tai'an, China
- 2Affiliated Taian City Central Hospital of Qingdao University, Tai'an, China
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Fibromatosis is a rare neoplasm characterized by fibroblastic and myofibroblastic proliferation. Fibromatosis occurred in the accessory breast have never been reported in the worldwide literature. We present a case of extra-abdominal fibromatosis of the accessory breast occurring a 36-year-old Chinese female patient.The tumor is hard, with unclear boundaries, and adheres to surrounding tissues (6×4×3cm). Despite initial malignancy suspicions from clinical, ultrasound, and magnetic resonance imaging (MRI) results, histopathology and immunohistochemistry showed an unexpected outcome. At the two-year postoperative follow-up, there was no recurrence; the patient had been explained the prognosis.This case emphasizes the importance of clinical suspicion and histopathological evaluation, as well as the need to raise awareness to promote early diagnosis and appropriate management of fibromatosis. We also present a literature review of varied presentations and treatment options of extra-abdominal fibromatosis.
Keywords: Extra-abdominal fibromatosis, case report, Accessory breast, Surgery, histopathology
Received: 19 Dec 2024; Accepted: 30 May 2025.
Copyright: © 2025 Li, Qi, Liu, Xu, Cao, Hu and Wang. 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:
Yanyan Hu, Affiliated Taian City Central Hospital of Qingdao University, Tai'an, China
Jian Wang, Affiliated Taian City Central Hospital of Qingdao University, Tai'an, China
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