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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
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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.

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.