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C-1450 - The clinical impact of Transient Severe Motion Artefact in hepatobiliary magnetic resonance imaging.

K. A. Nicolson, C. Turbet, K. Slaven, G. Cowell; Glasgow/UK Type: Educational Exhibit
Area of Interests: Abdomen, Liver
Imaging Technique: MR
Procedure: Contrast agent-intravenous
Special Focus: Education and training
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Learning objectives: Describe the symptoms and imaging findings associated with transient severe motion artefact (TSM) Highlight the incidence, risk factors and clinical significance of TSM.

Background: Given its excellent soft tissue differentiation, magnetic resonance imaging (MRI) is firmly established as the modality of choice in liver imaging. Gadoxetate disodium (Primovist/Eovist®) and gadobenate dimeglumine (MultiHance®) are hepatobiliary agents developed over the last two decades.  In [...]

Findings and procedure details: Transient Severe Motion Artefact TSM is a self-terminating occurrence that results in motion artefact and distortion of arterial phase imaging, improving or resolving on later dynamic sequences. Although it is hypothesised that mismatching of the k-space acquisition with the bolus due to rapid gadox[...]

Conclusion: Transient severe motion artefact is a significant clinical problem following gadoxetate disodium-enhanced hepatic MRI that renders over 10% of arterial phase sequences non-diagnostic. Although a self terminating phenomenon, such patients have a higher rate of artefact recurrence on subsequent exami[...]

Personal information: K.A Nicolson, Department of Radiology, Queen Elizabeth University Hospital, Glasgow, UK C. Turbet, Department of Radiology, Queen Elizabeth University Hospital, Glasgow, UK   K. Slaven, Department of Radiology, Queen Elizabeth University Hospital, Glasgow, UK   G. Cowell, Department of R[...]

References: 1. Frydrychowicz A, Lubner MG, Brown JJ, Merkle EM, Nagle SK, Rofsky NM, et al. Hepatobiliary MR Imaging with Gadolinium Based Contrast Agents. J Magn Reson Imaging. 2012 Mar;35(3):492–511. 2. Seale MK, Catalano OA, Saini S, Hahn PF, Sahani DV. Hepatobiliary-specific MR Contrast Agents: Role in Im[...]

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