TERMIUM Plus®

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SUSCEPTIBILITY ARTEFACT [1 record]

Record 1 2011-07-21

English

Subject field(s)
  • Magnetic Resonance Imaging
CONT

A magnetic susceptibility artifact is caused by the presence of an object in the FOV [field of view] with a higher or lower magnetic susceptibility. The magnetic susceptibility of a material is a measure of whether an applied magnetic field creates a larger or smaller field within the material.

Key term(s)
  • magnetic susceptibility artefact
  • susceptibility artefact

French

Domaine(s)
  • Imagerie par résonance magnétique
OBS

L'interface entre deux milieux qui ont des différences importantes de susceptibilité magnétique (l'air et l'eau, par exemple) entraîne des variations locales de champ magnétique qui provoquent sur les images, une «dilatation» des cavités aériennes (sinus, poumons...).

OBS

artéfact : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2006).

Spanish

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