Unintended consequences: review of new artifacts introduced by iterative reconstruction CT metal artifact reduction in spine imaging

DR Wayer, NY Kim, BJ Otto… - American Journal of …, 2019 - Am Soc Neuroradiology
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 …

CT metal artifact reduction in the spine: can an iterative reconstruction technique improve visualization?

AL Kotsenas, GJ Michalak… - American journal …, 2015 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Metal-related artifacts from spine instrumentation can
obscure relevant anatomy and pathology. We evaluated the ability of CT images …

Clinical assessment of metal artifact reduction methods in dual-energy CT examinations of instrumented spines

Z Long, DR DeLone, AL Kotsenas… - American Journal of …, 2019 - Am Roentgen Ray Soc
OBJECTIVE. The purpose of this study was to evaluate the performance of three metal
artifact reduction methods in dual-energy CT (DECT) examinations of instrumented spines …

[HTML][HTML] Metal artifact reduction on musculoskeletal CT: a phantom and clinical study

P Midthun, E Kirkhus, BH Østerås, PR Høiness… - European Radiology …, 2023 - Springer
Background Artifacts caused by metal implants are challenging when undertaking computed
tomography (CT). Dedicated algorithms have shown promising results although with …

An evaluation of three commercially available metal artifact reduction methods for CT imaging

JY Huang, JR Kerns, JL Nute, X Liu… - Physics in Medicine …, 2015 - iopscience.iop.org
Three commercial metal artifact reduction methods were evaluated for use in computed
tomography (CT) imaging in the presence of clinically realistic metal implants: Philips O …

Iterative metal artefact reduction in CT: can dedicated algorithms improve image quality after spinal instrumentation?

J Aissa, C Thomas, LM Sawicki, J Caspers, P Kröpil… - Clinical Radiology, 2017 - Elsevier
Aim To investigate the value of dedicated computed tomography (CT) iterative metal artefact
reduction (iMAR) algorithms in patients after spinal instrumentation. Materials and methods …

Metal-related artifacts in instrumented spine. Techniques for reducing artifacts in CT and MRI: state of the art

P Stradiotti, A Curti, G Castellazzi, A Zerbi - European Spine Journal, 2009 - Springer
The projectional nature of radiogram limits its amount of information about the instrumented
spine. MRI and CT imaging can be more helpful, using cross-sectional view. However, the …

[HTML][HTML] CT and MRI techniques for imaging around orthopedic hardware

TD Do, R Sutter, S Skornitzke… - RöFo-Fortschritte auf …, 2018 - thieme-connect.com
Orthopedic hardware impairs image quality in cross-sectional imaging. With an increasing
number of orthopedic implants in an aging population, the need to mitigate metal artifacts in …

Metal artifact reduction techniques in musculoskeletal CT-imaging

RHH Wellenberg, ET Hakvoort, CH Slump… - European journal of …, 2018 - Elsevier
It is known that metal artifacts can be reduced by modifying standard acquisition and
reconstruction, by modifying projection data and/or image data and by using virtual …

Reduction of metal artifacts: beam hardening and photon starvation effects

GK Yadava, D Pal, J Hsieh - Medical Imaging 2014: Physics of …, 2014 - spiedigitallibrary.org
The presence of metal-artifacts in CT imaging can obscure relevant anatomy and interfere
with disease diagnosis. The cause and occurrence of metal-artifacts are primarily due to …