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J Comput Assist Tomogr. 2014 Mar-Apr;38(2):159-62. doi: 10.1097/RCT.0b013e3182aac5de.

Pulmonary pseudoemboli: a new artifact arising from a commercial metal artifact reduction algorithm for computed tomographic image reconstruction.

Author information

1
From the Department of Radiology, Keck School of Medicine of USC, Los Angeles, CA.

Abstract

Metal artifact reduction algorithms for computed tomographic (CT) image reconstruction have recently become commercially available on modern CT scanners for reducing artifacts from orthopedic hardware. However, we have observed that a commercial orthopedic metal artifact reduction algorithm can produce the appearance of artifactual pulmonary emboli when applied to spinal hardware in contrast-enhanced CT scans of the chest. We provide 4 case examples demonstrating this previously undescribed artifact.

PMID:
24625615
DOI:
10.1097/RCT.0b013e3182aac5de
[Indexed for MEDLINE]

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