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Positioning in breast MR imaging to optimize image quality.

Eren D Yeh1, Dianne Georgian-Smith, Sughra Raza

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Summary

Proper breast positioning in MRI is crucial for accurate diagnosis. Correcting patient positioning before imaging enhances image quality and reduces the likelihood of missed malignancies.

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Area of Science:

  • Radiology
  • Medical Imaging

Background:

  • Improper breast positioning in dedicated breast coils leads to artifacts.
  • These artifacts, including inhomogeneous fat saturation, reduce the sensitivity of breast MRI.
  • Artifacts can obscure or cause missed malignancies, impacting diagnostic accuracy.

Purpose of the Study:

  • To outline techniques for optimal breast positioning in MRI.
  • To improve image quality and diagnostic sensitivity in breast MRI.
  • To minimize artifacts and the need for repeat imaging.

Main Methods:

  • Reviewing prior images to anticipate positioning challenges.
  • Utilizing triplane localizer images for pre-imaging assessment and repositioning.
  • Employing strategies like fat saturation pads, arm position adjustments, and patient "rolling" for difficult cases.
  • Using padding and angled sponges for oblique positioning and increased compression.
  • Adjusting grid height to access posterior lesions for biopsy.

Main Results:

  • Improved image quality through optimized breast positioning.
  • Reduced incidence of suboptimal images and decreased imaging time.
  • Limited need for repeat imaging studies due to enhanced initial scan quality.
  • Better visualization of breast tissue and reduced artifacts.

Conclusions:

  • Strict attention to positioning details before breast MRI is essential.
  • Implementing suggested positioning techniques improves diagnostic accuracy and efficiency.
  • Proper positioning ensures maximum breast tissue imaging and homogeneous fat suppression.