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Clinical Imaging of Microwave Mammography
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Mammographic compression--a need for mechanical standardization.

Woutjan Branderhorst1, Jerry E de Groot2, Ralph Highnam3

  • 1Academic Medical Center, Department of Biomedical Engineering & Physics, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands; Sigmascreening B.V., Meibergdreef 45, 1105 BA Amsterdam, The Netherlands.

European Journal of Radiology
|January 19, 2015
PubMed
Summary
This summary is machine-generated.

Mammographic compression varies widely between sites. Standardizing pressure (kPa) could improve consistency, reduce pain, and lower radiation doses in mammography.

Keywords:
BreastCompressionForceMammographyPressureStandardization

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Area of Science:

  • Radiology
  • Medical Imaging
  • Biophysics

Background:

  • Mammographic compression lacks standardized guidelines, leading to variable force application and patient discomfort.
  • Current systems rely on force (daN), but pressure (kPa) may be a more accurate metric for standardization.
  • New software allows for device-independent comparison of compression metrics like pressure, breast density, and radiation dose.

Purpose of the Study:

  • To compare mammographic compression practices in the Netherlands and the United States.
  • To evaluate the potential for standardizing compression pressure (kPa) to improve mammography protocols.

Main Methods:

  • Retrospective analysis of 37,518 mammographic compressions (Netherlands) and 7,171 compressions (United States).
  • Utilized VolparaAnalytics and VolparaDensity software to determine applied force, pressure, breast thickness, volume, density, and average glandular dose (AGD).

Main Results:

  • Dutch data showed significantly higher average forces and pressures compared to US data.
  • US data exhibited greater variability in applied forces and pressures.
  • Average glandular dose (AGD) and its standard deviation were higher in the US data set.

Conclusions:

  • Current mammography compression practices exhibit significant variation in applied forces and pressures within and between clinical sites.
  • Standardizing compression pressure (kPa) can enhance reproducibility, reduce patient pain, minimize unnecessary radiation exposure, and improve image quality.