Gadolinium susceptibility artifact causing false positive stenosis isolated to the proximal common carotid artery in 3D dynamic contrast medium enhanced MR angiography of the thorax - A brief review of causes and prevention

Temel Tirkes, Mark A. Rosen, Evan S. Siegelman

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Due to the close proximity of arteries and veins in the superior mediastinum and upper extremities, T2* shortening effects of the gadolinium within the central veins may cause artifactual vascular stenosis (susceptibility artifact) on arterial-phase MR angiographic images of the major branches of the aortic arch. We report a case of artifactual stenosis isolated to the origin of the left common carotid artery on arterial-phase MR angiography, secondary to susceptibility artifact from non-diluted gadolinium in the adjacent brachiocephalic vein. The cause of the artifact, its identification and prevention is reviewed.

Original languageEnglish (US)
Pages (from-to)151-155
Number of pages5
JournalInternational Journal of Cardiovascular Imaging
Volume19
Issue number2
DOIs
StatePublished - Apr 2003
Externally publishedYes

Fingerprint

Common Carotid Artery
Gadolinium
Artifacts
Contrast Media
Angiography
Pathologic Constriction
Thorax
Veins
Brachiocephalic Veins
Mediastinum
Thoracic Aorta
Upper Extremity
Blood Vessels
Arteries

Keywords

  • Artifact
  • Common carotid artery
  • Gadolinium
  • Magnetic resonance angiography
  • Thorax

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine
  • Radiological and Ultrasound Technology

Cite this

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AU - Rosen, Mark A.

AU - Siegelman, Evan S.

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AB - Due to the close proximity of arteries and veins in the superior mediastinum and upper extremities, T2* shortening effects of the gadolinium within the central veins may cause artifactual vascular stenosis (susceptibility artifact) on arterial-phase MR angiographic images of the major branches of the aortic arch. We report a case of artifactual stenosis isolated to the origin of the left common carotid artery on arterial-phase MR angiography, secondary to susceptibility artifact from non-diluted gadolinium in the adjacent brachiocephalic vein. The cause of the artifact, its identification and prevention is reviewed.

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KW - Common carotid artery

KW - Gadolinium

KW - Magnetic resonance angiography

KW - Thorax

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