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Related Experiment Videos

Artefacts found in computed radiography.

L J Cesar1, B A Schueler, F E Zink

  • 1Department of Diagnostic Radiology, Mayo Clinic and Foundation, Rochester, MN 55905, USA.

The British Journal of Radiology
|November 23, 2001
PubMed
Summary
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Computed radiography (CR) systems can introduce unique artefacts that differ from conventional radiography. Identifying the sources of these CR artefacts is crucial for accurate diagnosis and preventing future issues.

Area of Science:

  • Radiological imaging
  • Medical physics
  • Diagnostic imaging technology

Background:

  • Artefacts in radiographic images can hinder accurate diagnosis.
  • Computed radiography (CR) systems present distinct artefacts compared to conventional radiography.
  • Familiarity with conventional radiography artefacts does not fully translate to CR systems.

Purpose of the Study:

  • To identify and categorize artefacts specific to computed radiography (CR) systems.
  • To determine the origins of various CR artefacts encountered in clinical practice.
  • To provide insights for resolving and preventing CR image artefacts.

Main Methods:

  • Analysis of CR images generated from four different plate reader models.
  • Systematic identification of artefacts observed in the CR imaging process.

Related Experiment Videos

  • Tracing artefact sources to components such as imaging plates, readers, software, printers, or operator actions.

    • Main Results:

    • A variety of artefacts were identified in CR images.
    • Artefacts were traced to specific sources including the imaging plate, plate reader, image processing software, laser printer, and operator error.
    • Understanding these sources is key to managing CR image quality.

    Conclusions:

    • CR systems generate unique artefacts requiring specific identification and management strategies.
    • Knowledge of CR artefact origins aids in rapid problem-solving and quality improvement.
    • Proactive identification and resolution of CR artefacts enhance diagnostic accuracy.