Metal-induced artifacts in MRI

BA Hargreaves, PW Worters, KB Pauly… - American Journal of …, 2011 - Am Roentgen Ray Soc
OBJECTIVE. The purpose of this article is to review some of the basic principles of imaging
and how metal-induced susceptibility artifacts originate in MR images. We will describe …

MR imaging of hip arthroplasty implants

J Fritz, B Lurie, TT Miller, HG Potter - Radiographics, 2014 - pubs.rsna.org
Hip arthroplasty has become the standard treatment for end-stage hip disease, allowing
pain relief and restoration of mobility in large numbers of patients; however, pain after hip …

SEMAC: slice encoding for metal artifact correction in MRI

W Lu, KB Pauly, GE Gold, JM Pauly… - … in Medicine: An …, 2009 - Wiley Online Library
Magnetic resonance imaging (MRI) near metallic implants remains an unmet need because
of severe artifacts, which mainly stem from large metal‐induced field inhomogeneities. This …

Pseudotumors in association with well-functioning metal-on-metal hip prostheses: a case-control study using three-dimensional computed tomography and magnetic …

AJ Hart, K Satchithananda, AD Liddle, SA Sabah… - JBJS, 2012 - journals.lww.com
Methods: We performed a case-control study to compare the magnetic resonance imaging
findings of patients with a well-functioning unilateral metal-on-metal hip prosthesis and …

Imaging near metal with a MAVRIC‐SEMAC hybrid

KM Koch, AC Brau, W Chen, GE Gold… - Magnetic resonance …, 2011 - Wiley Online Library
The recently developed multi‐acquisition with variable resonance image combination
(MAVRIC) and slice‐encoding metal artifact correction (SEMAC) techniques can significantly …

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 …

MR imaging with metal-suppression sequences for evaluation of total joint arthroplasty

BS Talbot, EP Weinberg - Radiographics, 2016 - pubs.rsna.org
Metallic artifact at orthopedic magnetic resonance (MR) imaging continues to be an
important problem, particularly in the realm of total joint arthroplasty. Complications often …

MRI after arthroplasty: comparison of MAVRIC and conventional fast spin-echo techniques

CL Hayter, MF Koff, P Shah, KM Koch… - American Journal of …, 2011 - Am Roentgen Ray Soc
OBJECTIVE. The goal of this study was to evaluate the quality of images obtained with a
prototype imaging technique, multiacquisition variable-resonance image combination …

An image-based approach to understanding the physics of MR artifacts

JN Morelli, VM Runge, F Ai, U Attenberger, L Vu… - Radiographics, 2011 - pubs.rsna.org
As clinical magnetic resonance (MR) imaging becomes more versatile and more complex, it
is increasingly difficult to develop and maintain a thorough understanding of the physical …

Evaluation of patients with a painful total knee replacement

V Mandalia, K Eyres, P Schranz… - The Journal of Bone & …, 2008 - boneandjoint.org.uk
Evaluation of patients with painful total knee replacement requires a thorough clinical
examination and relevant investigations in order to reach a diagnosis. Awareness of the …