Small sized phyllodes tumor of the breast

Area of Science:

• Oncology
• Surgical Pathology
• Breast Cancer Research

Background:

• Phyllodes tumors of the breast are rare fibroepithelial neoplasms with unpredictable behavior.
• Treatment strategies for phyllodes tumors vary, impacting recurrence rates and patient outcomes.
• Understanding the natural history and optimal surgical management is crucial for improving patient care.

Purpose of the Study:

• To evaluate the surgical outcomes and recurrence rates of phyllodes tumors treated with different surgical techniques.
• To determine the relationship between tumor size, surgical approach, and relapse frequency.
• To assess the necessity of re-operation for phyllodes tumors based on observed recurrence patterns.

Main Methods:

• Retrospective analysis of 106 women with breast phyllodes tumors treated between 1970 and 1988.
• Surgical procedures included enucleation, enucleoresection, and wide resection.
• Follow-up data was collected for a mean of 49 months to monitor for tumor recurrence.

Main Results:

• A total of 106 cases were analyzed: 86.8% benign, 11.3% borderline, and 2% malignant.
• Limited surgery was performed in 93.4% of cases, with a low overall relapse rate of 6.52% (all in the benign group).
• Recurrence was associated with tumor size (less than 40 mm in 85.3%) rather than the type of limited surgery.

Conclusions:

• Limited surgical approaches for phyllodes tumors, especially smaller ones, are associated with low recurrence rates.
• Re-operation with wider resection may not be routinely justified for benign phyllodes tumors given the low relapse incidence.
• Prolonged patient follow-up is essential for detecting late recurrences of phyllodes tumors.