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[Value of CAD systems].

U Aichinger1, R Schulz-Wendtland, W Bautz

  • 1Institut für Diagnostische Radiologie, Gynäkologische Radiologie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Universitätsstr. 21-23, 91054 Erlangen. ulrike.aichinger@idr.imed.uni-erlangen.de

Der Radiologe
|June 18, 2002
PubMed
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Computer-aided diagnosis (CAD) systems enhance early breast cancer detection. Utilizing CAD with mammograms improves investigator sensitivity, aiding in identifying microcalcifications and masses more effectively.

Area of Science:

  • Radiology
  • Medical Imaging
  • Oncology

Background:

  • Early breast cancer detection significantly reduces mortality rates.
  • Computer-aided diagnosis (CAD) systems offer potential improvements in mammogram analysis.
  • Several CAD systems are commercially available for mammography interpretation.

Purpose of the Study:

  • To review available computer-aided diagnosis (CAD) systems for mammograms.
  • To analyze the diagnostic potential and clinical utility of these CAD systems.

Main Methods:

  • Evaluation of three commercially available CAD systems: R2-Technology Image Checker M 1000, CADx Medical Systems Second Look, and Scanis Inc. Mammex TR.
  • Focus on studies utilizing the R2-system with secondarily digitalized mammograms.
  • Algorithms designed to detect microcalcifications and masses; integration with full-field digital mammography and DICOM networks.

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Main Results:

  • Studies involving 12,860 patients showed improved investigator sensitivity with CAD (up to 19%).
  • CAD achieved 100% sensitivity for microcalcifications.
  • CAD demonstrated up to 80% sensitivity for detecting masses.

Conclusions:

  • Double-reading mammograms with CAD systems enhances early breast cancer detection.
  • Continued innovation in full-field digital mammography and CAD is anticipated.