Research ArticleSpine
Unintended Consequences: Review of New Artifacts Introduced by Iterative Reconstruction CT Metal Artifact Reduction in Spine Imaging
D.R. Wayer, N.Y. Kim, B.J. Otto, A.M. Grayev and A.D. Kuner
American Journal of Neuroradiology November 2019, 40 (11) 1973-1975; DOI: https://doi.org/10.3174/ajnr.A6238
D.R. Wayer
aFrom the Department of Radiology (D.R.W., N.Y.K., B.J.O., A.M.G., A.D.K.), University of Wisconsin, Madison, Wisconsin
N.Y. Kim
aFrom the Department of Radiology (D.R.W., N.Y.K., B.J.O., A.M.G., A.D.K.), University of Wisconsin, Madison, Wisconsin
B.J. Otto
aFrom the Department of Radiology (D.R.W., N.Y.K., B.J.O., A.M.G., A.D.K.), University of Wisconsin, Madison, Wisconsin
A.M. Grayev
aFrom the Department of Radiology (D.R.W., N.Y.K., B.J.O., A.M.G., A.D.K.), University of Wisconsin, Madison, Wisconsin
A.D. Kuner
aFrom the Department of Radiology (D.R.W., N.Y.K., B.J.O., A.M.G., A.D.K.), University of Wisconsin, Madison, Wisconsin
bthe University of Wisconsin School of Medicine and Public Health (A.D.K.), Madison, Wisconsin
Abstract
SUMMARY: Metal hardware serves as a common artifact source in spine CT imaging in the form of beam-hardening, photon starvation, and streaking. Postprocessing metal artifact reduction techniques have been developed to decrease these artifacts, which has been proved to improve visualization of soft-tissue structures and increase diagnostic confidence. However, metal artifact reduction reconstruction introduces its own novel artifacts that can mimic pathology.
ABBREVIATION:
- MAR
- metal artifact reduction
- © 2019 by American Journal of Neuroradiology
In this issue
American Journal of Neuroradiology
Vol. 40, Issue 11
1 Nov 2019
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Unintended Consequences: Review of New Artifacts Introduced by Iterative Reconstruction CT Metal Artifact Reduction in Spine Imaging
D.R. Wayer, N.Y. Kim, B.J. Otto, A.M. Grayev, A.D. Kuner
American Journal of Neuroradiology Nov 2019, 40 (11) 1973-1975; DOI: 10.3174/ajnr.A6238
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