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Telereporting in Breast Imaging Involving More Than 1 Country Requires Careful Consideration.

BaoLin Pauline Soh1, Warwick B Lee2, Llewellyn Sim3

  • 1Assistant professor for the Singapore Institute of Technology.

Radiologic Technology
|March 3, 2021
PubMed
Summary

Australian radiologists outperformed Singaporean radiologists when interpreting mammograms from a familiar population. Familiarity with the patient population significantly impacts radiologist performance in breast cancer detection.

Keywords:
breastbreast densitymammographytask performanceteleradiology

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Area of Science:

  • Radiology
  • Medical Imaging
  • Breast Cancer Screening

Background:

  • Telereporting enables remote interpretation of mammograms.
  • Radiologist performance may vary based on the familiarity with the patient population depicted in the images.

Purpose of the Study:

  • To assess the impact of geographic origin of mammograms on radiologist performance.
  • To compare breast radiologists' interpretation accuracy between those familiar and unfamiliar with the patient population.

Main Methods:

  • 47 Australian and 15 Singaporean radiologists interpreted a test set of 60 Australian mammograms.
  • Performance metrics included localization-response operating characteristic area under the curve (AUC) and location sensitivity.
  • Statistical analysis used nonparametric Mann-Whitney U tests.

Main Results:

  • Australian radiologists showed significantly higher localization-response AUC (.738 vs .642) and location sensitivity (.775 vs .660) compared to Singaporean radiologists.
  • Performance differences were noted when lesion localization was considered.

Conclusions:

  • Familiarity with the patient population may enhance radiologist performance in mammogram interpretation.
  • Geographic origin of mammograms can influence diagnostic accuracy in telereporting scenarios.