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Updated: Jul 19, 2026
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Surgical Procedures and Methodology for a Preclinical Murine Model of De Novo Mammary Cancer Metastasis
Published on: July 29, 2017
Recurrent mammary carcinoma after local excision. A segmental problem
J E Johnson1, D L Page, A C Winfield
1Department of Pathology, Vanderbilt University Medical Center, Nashville, Tennessee 37232-2561, USA.
Cancer
|April 1, 1995
Summary
Local recurrence of breast cancer after conserving surgery often happens in the same breast segment. New surgical techniques removing the tumor and associated ducts may reduce recurrence rates.
Area of Science:
- Oncology
- Surgical Pathology
- Breast Cancer Research
Background:
- Local operative therapy for mammary carcinoma is increasingly accepted.
- Minimizing local recurrence and optimizing cosmetic outcomes are key goals.
- Intraductal spread is a significant factor in local recurrence after breast-conserving therapy.
Observation:
- A review of 86 patients with mammary carcinoma treated with local excision identified 5 cases of local recurrence.
- The local recurrence rate in this series was 5.8%.
- All recurrent lesions were located in the same breast quadrant as the primary tumor.
Findings:
- Local recurrence of mammary carcinoma after breast-conserving surgery most frequently occurs within the same anatomical segment.
- Recurrent lesions were consistently found along a radius from the nipple, crossing the initial lesion site.
- The location of recurrence suggests a relationship with the ductal system of the primary tumor.
Implications:
- A primary excision technique removing the dominant tumor mass en bloc with the associated duct system may substantially reduce local recurrence.
- Understanding the anatomic basis of recurrence can refine surgical strategies for breast-conserving therapy.
- Further research into duct-oriented excision techniques is warranted to improve outcomes in breast cancer treatment.
