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Journal of Computer Assisted Tomography:
doi: 10.1097/RCT.0b013e3182aac5de
Cardiovascular & Thoracic Imaging

Pulmonary Pseudoemboli: A New Artifact Arising From a Commercial Metal Artifact Reduction Algorithm for Computed Tomographic Image Reconstruction

Cheng, Phillip M. MD, MS; Romero, Miriam MD; Duddalwar, Vinay A. MD

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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.

© 2014 by Lippincott Williams & Wilkins



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