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Extramammary Arm Fibroadenoma
Ahmed M Abouzaid1, Ahmed M AbdelAzim2, Karim M Osman1
1From the Department of Plastic, Reconstructive Surgery, and Burn Therapy, Gomhoria Hospital, Ministry of Health, Alexandria, Egypt.
Plastic and Reconstructive Surgery. Global Open
|July 3, 2025
Summary
Fibroadenomas, common benign breast masses, rarely occur outside the breast. This case report details a rare instance of an arm fibroadenoma in a 32-year-old woman, confirmed by histopathology.
Area of Science:
- Pathology
- Oncology
- Dermatology
Background:
- Fibroadenomas are the most common benign breast tumors, affecting 10% of women globally.
- Typically presenting as mobile, painless masses in women aged 14-35.
- Extramammary fibroadenomas are exceptionally rare.
Observation:
- A 32-year-old woman presented with a 2-year history of a painless swelling in her right upper arm.
- The swelling was investigated and surgically removed.
- Histopathological examination was performed.
Findings:
- The surgically excised mass was confirmed to be a fibroadenoma.
- This represents a rare case of extramammary fibroadenoma.
- Previous reports documented arm and vulval fibroadenomas.
Implications:
- Highlights the possibility of fibroadenomas occurring in extramammary locations.
- Emphasizes the importance of thorough histopathological examination for diagnosis.
- Contributes to the limited literature on rare fibroadenoma presentations.
