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Compression force variability in mammography in Ghana - A baseline study.

E Dzidzornu1, S K Angmorterh2, B B Ofori-Manteaw3

  • 1Department of Medical Imaging, School of Allied Health Sciences, University of Health and Allied Sciences (UHAS), Ho, Ghana. Electronic address: https://twitter.com/BettyManteaw.

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Summary

Mammography compression forces in Ghana showed significant variability among practitioners. Establishing national guidelines could help standardize breast compression and improve mammogram quality.

Keywords:
Breast thicknessCompression forceGhanaMammographyVariation

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Area of Science:

  • Radiology and Medical Imaging
  • Healthcare Quality Improvement
  • Breast Imaging Technology

Background:

  • Mammography compression is crucial for image quality and patient management.
  • Variability in compression force can impact diagnostic accuracy.
  • No prior studies assessed compression force variability in Ghana.

Purpose of the Study:

  • To investigate compression force variability in mammography within Ghana.
  • To compare Ghanaian compression forces with international benchmarks.
  • To explore factors influencing compression force variations.

Main Methods:

  • Retrospective analysis of 1071 mammography cases (Jan 2018-Dec 2019).
  • Data collected by seven radiographers across three centers.
  • Recorded compression force, breast thickness, and practitioner experience.

Main Results:

  • Mean compression forces (CC: 17.2 daN, MLO: 18.2 daN) were generally within Western recommended values.
  • 80% of mammograms fell within the NHSBSP range, but 65% exceeded the NBCSP range.
  • Significant variations in compression force were observed among practitioners (p=0.0001) and correlated with experience (p=0.0001).

Conclusions:

  • Despite variations, most Ghanaian practitioners applied forces within the NHSBSP range.
  • The absence of national guidelines in Ghana contributes to compression force variability.
  • Implementing national guidelines is recommended to standardize practice and enhance mammogram quality.