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Malignant cystosarcoma phyllodes

E D Staren1, G Lynch, C Boyle

  • 1Department of General Surgery, Rush Medical College, Chicago, Illinois.

The American Surgeon
|August 1, 1994
PubMed
Summary
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Malignant cystosarcoma phyllodes treated with mastectomy show higher local recurrence with partial (PM) and total mastectomy (TM) than modified radical mastectomy (MRM) or radical mastectomy (RM). Wide re-excision effectively treats local recurrence, ensuring long-term survival.

Area of Science:

  • Oncology
  • Surgical Pathology
  • Breast Cancer Research

Background:

  • Malignant cystosarcoma phyllodes is a rare breast tumor.
  • Understanding treatment outcomes is crucial for patient management.

Purpose of the Study:

  • To analyze the surgical management and outcomes of malignant cystosarcoma phyllodes.
  • To evaluate factors influencing local and systemic recurrence.

Main Methods:

  • Retrospective review of 26 women with malignant cystosarcoma phyllodes.
  • Analysis of surgical techniques: radical mastectomy (RM), modified radical mastectomy (MRM), total mastectomy (TM), and partial mastectomy (PM).
  • Assessment of recurrence patterns and survival rates.

Main Results:

Related Experiment Videos

  • Local recurrence was more frequent after TM and PM compared to MRM and RM (P < 0.05).
  • Wide re-excision of local recurrences resulted in no evidence of disease at 5-25 years.
  • Systemic recurrence was not correlated with tumor size or resection extent.
  • Axillary dissection did not predict or prevent recurrence; only one patient had positive lymph nodes.

Conclusions:

  • While PM and TM are associated with higher local recurrence rates, wide excision ensures favorable long-term survival.
  • Systemic recurrence is independent of tumor size and surgical extent.
  • Axillary dissection is not a reliable predictor or preventative measure for recurrence in these cases.