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Angiosarcoma of the breast.

Stephan A Vorburger1, Yan Xing, Kelly K Hunt

  • 1The Multidisciplinary Sarcoma Center, The University of Texas MD Anderson Cancer Center, Houston, 77230, USA.

Cancer
|November 17, 2005
PubMed
Summary
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This study on breast angiosarcoma found that while radiation-naive tumors occur in younger patients, both radiation-naive and radiation-associated angiosarcomas have similar outcomes. Tumor recurrence was the only significant adverse prognostic factor for overall survival.

Area of Science:

  • Oncology
  • Surgical Pathology
  • Cancer Epidemiology

Background:

  • Angiosarcoma of the breast is a rare and aggressive malignancy.
  • Understanding prognostic factors is crucial for improving patient outcomes.
  • This study analyzes a large contemporary series of breast angiosarcoma cases.

Purpose of the Study:

  • To evaluate prognostic factors in breast angiosarcoma.
  • To determine survival outcomes in patients with breast angiosarcoma.
  • To compare outcomes between radiation-naive and radiation-associated angiosarcomas.

Main Methods:

  • Retrospective analysis of clinical and pathological data from 55 breast angiosarcoma patients (1990-2003).
  • Kaplan-Meier methods used for overall survival (OS) and disease-free survival (DFS) estimation.

Related Experiment Videos

  • Multivariate analyses performed to identify significant prognostic factors.

    • Main Results:

    • Median OS and DFS were 2.96 and 2.26 years, respectively.
    • Five-year OS for primary angiosarcoma was 59%.
    • Radiation-naive angiosarcomas occurred in younger patients but showed similar survival to radiation-associated cases; tumor recurrence was the sole significant adverse prognostic factor for OS.

    Conclusions:

    • Breast angiosarcomas, whether radiation-naive or radiation-associated, exhibit similar survival patterns.
    • Younger age at diagnosis is characteristic of radiation-naive breast angiosarcoma.
    • Tumor recurrence is a critical predictor of poorer overall survival in breast angiosarcoma.