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Artifacts in dual-energy CT gout protocol: a review of 50 suspected cases with an artifact identification guide
Paul Ian Mallinson1, Tyler Coupal, Clemens Reisinger
11 Department of Radiology, Vancouver General Hospital and University of British Columbia, 899 W 12th Ave, Vancouver, BC V5Z 1M9, Canada.
Objective:
The objective of our study was to discover the types and incidence of artifacts in dual-energy CT (DECT) using datasets of 50 consecutive patients who underwent a four-limb DECT protocol for the evaluation of suspected gout. Identification of artifacts and techniques for artifact reduction are discussed.
Conclusion:
Artifacts commonly occur in DECT performed for gout assessment but are usually readily recognizable. For 90% of the patients in our study who underwent imaging for suspected gout, DECT showed some type of artifact, with nail bed and skin artifacts being the most common.
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