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Related Experiment Video

Updated: May 14, 2026

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

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Published on: August 30, 2013

Why is microcalcification missed on mammography?

Gudrun Peters1, Catherine M Jones, Katie Daniels

  • 1BreastScreen Tasmania, Department of Health and Human Services, Hobart, Tasmania, Australia. Gudrun.Peters@i-med.com.au

Journal of Medical Imaging and Radiation Oncology
|February 5, 2013
PubMed
Summary

Double reading mammograms for microcalcifications in ductal carcinoma in situ (DCIS) cases revealed that most errors were perceptive, not interpretative. This highlights the importance of double reading in breast cancer screening to minimize missed findings.

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Area of Science:

  • Radiology
  • Oncology
  • Medical Imaging

Background:

  • Ductal carcinoma in situ (DCIS) often presents as microcalcifications on mammograms.
  • Accurate detection of microcalcifications is crucial for early breast cancer diagnosis.
  • Australian breast screening guidelines recommend double reading to mitigate errors.

Purpose of the Study:

  • To evaluate the discrepancy rate in mammographic microcalcification detection for ductal carcinoma in situ (DCIS).
  • To identify factors influencing inter-reader discrepancy in microcalcification assessment.
  • To determine the nature of errors (perceptive vs. interpretative) in mammogram readings.

Main Methods:

  • Retrospective analysis of DCIS cases with mammographic microcalcifications from a state screening program.
  • Documentation of double reader results using a 5-point grading scale.
  • Assessment of mammographic and histological factors for their influence on inter-reader discrepancy.

Main Results:

  • 45% of DCIS cases with microcalcifications had at least one reader fail to flag the finding.
  • No significant correlation found between reader discrepancy and factors like breast density, lesion size, or prior imaging.
  • The majority (86%) of discrepancies were perceptive errors, where the microcalcification was missed entirely.

Conclusions:

  • Mammographic reading of microcalcifications in DCIS shows poor correlation with imaging or histological features.
  • Perceptive errors are the predominant source of missed DCIS microcalcifications.
  • Double reading remains essential for reducing perceptive errors in breast screening.