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Related Experiment Videos

Mammography in the eighties.

B J Conway1, J L McCrohan, F G Rueter

  • 1Food and Drug Administration, Center for Devices and Radiological Health, Rockville, MD 20857.

Radiology
|November 1, 1990
PubMed
Summary

Mammography use surged by over 60% in the US by 1988. Subsequent surveys revealed improved image quality and increased use of grids, alongside a slight rise in mean glandular dose for mammography systems.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Public Health

Background:

  • Mammography has undergone significant advancements and expansion in recent years.
  • A substantial increase in the number of mammography facilities occurred between 1985 and 1988.
  • Technological developments and facility expansion necessitated an updated assessment.

Purpose of the Study:

  • To evaluate the impact of mammography expansion and technological changes.
  • To assess the quality and safety of mammography practices in the US.
  • To establish a benchmark for mammography standards.

Main Methods:

  • A national survey of mammography facilities was conducted in 1988, following a 1985 survey.
  • A statistically selected sample of 226 facilities participated in the 1988 survey.
  • Data collected included equipment type, use of grids, phantom image scores, and mean glandular dose.

Main Results:

  • Screen-film mammography was used in 83% of facilities, with dedicated equipment dominating.
  • A 26% increase in the mean phantom image score indicated improved image quality.
  • Over 45% increase in grid usage and a 10% increase in mean glandular dose for systems using grids were observed.

Conclusions:

  • Mammography experienced substantial growth and technological evolution by 1988.
  • Improvements in image quality were noted, alongside increased adoption of certain technologies like grids.
  • Ongoing monitoring is crucial to balance diagnostic efficacy with radiation dose in mammography.

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