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Radiation-Induced Angiosarcoma Following Breast Surgery: A Case Report
Mutsumi Hayashi1, Yukino Kobayashi1, Ryoko Semba1
1Department of Breast Oncology, Juntendo Nerima Hospital, Tokyo, Japan.
Surgical Case Reports
|March 9, 2026
Summary
Radiation-induced angiosarcoma of the breast is a rare cancer developing years after radiation therapy. Surgical removal with clear margins offers the best outcome, highlighting the need for vigilant follow-up.
Area of Science:
- Oncology
- Surgical Oncology
- Dermatopathology
Background:
- Radiation-induced angiosarcoma is a rare, aggressive secondary breast malignancy.
- It typically arises years after breast surgery and radiation therapy.
- Early detection and complete surgical excision are critical due to poor prognosis and diagnostic challenges.

