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Carcinoma in accessory axillary breast
Seema Khanna1, Shashi Prakash Mishra2, Satendra Kumar1
1Department of General Surgery, Banaras Hindu University, Varanasi, Uttar Pradesh, India.
BMJ Case Reports
|August 12, 2015
Summary
A rare breast cancer case in an accessory breast is detailed. Treatment involved neoadjuvant chemotherapy, surgery, adjuvant therapy, and hormone therapy for this axillary carcinoma.
Area of Science:
- Oncology
- Surgical Pathology
Background:
- Accessory breast tissue, or polymastia, can rarely develop malignancies.
- Carcinoma in ectopic breast tissue presents unique diagnostic and therapeutic challenges.
Observation:
- A patient presented with a year-long progressive lump in the right axilla.
- Examination revealed a well-developed nipple-areola complex overlying a hard, fixed 5x3 cm mass.
Findings:
- Core biopsy confirmed poorly differentiated breast carcinoma.
- Mammography indicated a malignant lesion with skin and muscle infiltration.
- Immunohistochemistry revealed oestrogen and progesterone receptor-positive, HER-2 neu-negative status.
Implications:
- This case highlights the importance of considering malignancy in accessory breast tissue.
- Multimodal treatment, including chemotherapy, surgery, radiotherapy, and hormone therapy, can be effective.
- Further research into the specific oncogenesis and optimal management of breast cancer in ectopic tissue is warranted.
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