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Gadolinium-enhanced breast MRI

F Kelcz1, G Santyr

  • 1Department of Radiology, University of Wisconsin, Madison 53792, USA.

Critical Reviews in Diagnostic Imaging
|January 1, 1995
PubMed
Summary
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Gadolinium-enhanced MRI significantly improves breast cancer detection by highlighting lesion characteristics. This technique aids diagnosis, especially in dense breasts where mammography is less effective.

Area of Science:

  • Radiology
  • Medical Imaging
  • Oncology

Background:

  • Breast MRI faces challenges due to overlapping T1/T2 relaxation times between benign and malignant lesions.
  • Unenhanced MRI and mammography struggle to differentiate lesions within dense glandular breast tissue.

Purpose of the Study:

  • To review the literature on Gadolinium-enhanced breast MRI.
  • To focus on the strengths, weaknesses, and indications for Gd-enhanced breast MRI.
  • To address patient preparation and technical parameters for this imaging modality.

Main Methods:

  • Review of existing literature on Gd-enhanced breast MRI.
  • Analysis of lesion morphology and enhancement patterns post-contrast administration.
  • Discussion of technical parameters and patient preparation.

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Main Results:

  • Gd-DPTA contrast-enhanced MRI effectively detects most invasive breast malignancies.
  • Malignancies typically show irregular borders, rapid enhancement, and early washout.
  • Fibroadenomas exhibit smooth borders and continuous, monotonic enhancement patterns.

Conclusions:

  • Gd-enhanced breast MRI offers a valuable tool for diagnosing breast lesions, particularly in complex cases.
  • It provides a more conclusive diagnosis in mammographically ambiguous situations, especially for dense breasts.
  • Further definition of MRI's role in breast cancer work-up is ongoing, but its utility is established.