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Related Experiment Videos

Imaging findings after breast brachytherapy.

Lisa E Esserman1, Darlene Da Costa, Maria d'Almeida

  • 1Department of Radiology, Mount Sinai Medical Center, 4306 Alton Rd., Miami Beach, FL 33140, USA.

AJR. American Journal of Roentgenology
|June 24, 2006
PubMed
Summary

Imaging after partial breast radiation therapy (PBRT) shows focal changes, not diffuse. These findings, while potentially alarming, can often be managed without biopsy by correlating with patient history and follow-up.

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Area of Science:

  • Oncology
  • Radiology
  • Medical Imaging

Background:

  • Partial breast irradiation (PBI) is an alternative to whole breast radiation therapy.
  • PBI techniques include interstitial brachytherapy and single-balloon brachytherapy.
  • Understanding post-treatment imaging changes is crucial for accurate diagnosis and management.

Purpose of the Study:

  • To identify specific imaging characteristics associated with partial breast radiation therapy (PBRT).
  • To differentiate imaging findings between interstitial catheter and single-balloon PBRT techniques.
  • To evaluate the spectrum of imaging changes following PBRT.

Main Methods:

  • Retrospective review of 43 patients treated with PBRT (interstitial catheters or single balloon).
  • Analysis of imaging findings including skin thickening, density changes, mass, lucency, and calcifications.

Related Experiment Videos

  • Correlation of imaging findings with clinical presentation and follow-up data.

    • Main Results:

    • Focal increased density was observed in 95% of patients.
    • Mild to moderate skin thickening occurred in 60% of patients.
    • Central lucency was present in 81% of patients on follow-up imaging.

    Conclusions:

    • Imaging findings after PBRT are typically focal, differing from diffuse changes seen with external beam radiation.
    • Focal changes may mimic malignancy but can often be distinguished with clinical correlation and follow-up.
    • Biopsy can be avoided in many cases by integrating imaging findings with patient history and serial examinations.