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[Artifacts in magnetic resonance angiography]

L Brunereau1, V Bousson, L Arrivé

  • 1Service de Radiologie, Hôpital Saint-Antoine, Paris.

Journal De Radiologie
|October 29, 1998
PubMed
Summary

Magnetic resonance angiography (MRA) is vital for vascular disease management but prone to artifacts. This paper details common MRA artifacts from time-of-flight and phase-contrast methods, offering solutions to minimize misinterpretations.

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Area of Science:

  • Medical Imaging
  • Radiology
  • Vascular Imaging

Context:

  • Magnetic resonance angiography (MRA) is a cornerstone in diagnosing and managing vascular diseases.
  • Artifacts in MRA can significantly hinder accurate interpretation and patient care.
  • Understanding artifact origins is crucial for effective diagnostic imaging.

Purpose:

  • To systematically identify and explain artifacts in MRA.
  • To illustrate common artifacts encountered with time-of-flight (TOF) and phase-contrast (PC) MRA techniques.
  • To provide practical strategies for mitigating artifactual interference in MRA.

Summary:

  • This review details various artifacts encountered in magnetic resonance angiography (MRA), specifically within time-of-flight (TOF) and phase-contrast (PC) imaging sequences.

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  • Each artifact is explained, illustrated, and accompanied by methods to reduce its impact on image interpretation.
  • The focus is on improving the diagnostic quality of MRA studies.

    • Impact:

    • Enhances the reliability of MRA for vascular disease assessment.
    • Aids radiologists and technologists in recognizing and correcting MRA artifacts.
    • Contributes to improved diagnostic accuracy and patient management in vascular imaging.