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Related Experiment Videos

Quality assurance in mammography: artifact analysis.

J P Hogge1, C H Palmer, C C Muller

  • 1Department of Radiology, Medical College of Virginia, Virginia Commonwealth University, Richmond 23298, USA.

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|April 9, 1999
PubMed
Summary

Mammographic artifacts can mimic lesions or hide abnormalities, impacting quality assurance. Identifying and preventing these issues through proper handling and maintenance is crucial for accurate mammograms.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Quality Assurance

Background:

  • Mammographic artifacts are common and can lead to misdiagnosis by creating pseudolesions or masking true abnormalities.
  • These artifacts arise from various sources including processing, technologist errors, equipment malfunction, and patient-related factors.
  • Distinguishing artifacts from genuine pathologies is critical for effective mammography.

Purpose of the Study:

  • To provide a comprehensive overview of mammographic artifacts.
  • To categorize the sources of these artifacts.
  • To emphasize the importance of artifact identification and prevention in mammographic quality assurance.

Main Methods:

  • Review of common mammographic artifacts and their origins.
  • Categorization of artifacts based on their source: processor, technologist, mammography unit, and patient.

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  • Discussion of preventative measures and quality assurance protocols.

    • Main Results:

    • Artifacts can originate from the processor (e.g., chemical buildup, film handling), technologist (e.g., positioning errors, improper loading), mammography unit (e.g., mechanical failures, alignment issues), or patient (e.g., motion, superimposed objects).
    • Many artifacts are identifiable, but some pose diagnostic challenges.
    • Proactive measures including darkroom cleanliness, equipment maintenance, and careful patient positioning can significantly reduce artifact occurrence.

    Conclusions:

    • Familiarity with the range of mammographic artifacts is vital for radiologists and technologists.
    • Implementing rigorous quality assurance practices, including meticulous darkroom procedures, equipment maintenance, and precise patient positioning, is essential for minimizing artifacts.
    • Reducing artifacts improves the diagnostic accuracy and reliability of mammography.