Metal artifact reduction strategies for improved attenuation correction in hybrid PET/CT imaging

M Abdoli, RAJO Dierckx, H Zaidi - Medical physics, 2012‏ - Wiley Online Library
Metallic implants are known to generate bright and dark streaking artifacts in x‐ray
computed tomography (CT) images, which in turn propagate to corresponding functional …

Clinical evaluation of a commercial orthopedic metal artifact reduction tool for CT simulations in radiation therapy

H Li, C Noel, H Chen, H Harold Li, D Low… - Medical …, 2012‏ - Wiley Online Library
Purpose: Severe artifacts in kilovoltage‐CT simulation images caused by large metallic
implants can significantly degrade the conspicuity and apparent CT Hounsfield number of …

X-ray CT Metal Artifact Reduction Using Wavelet Domain Sparse Regularization

A Mehranian, MR Ay, A Rahmim… - IEEE transactions on …, 2013‏ - ieeexplore.ieee.org
X-ray computed tomography (CT) imaging of patients with metallic implants usually suffers
from streaking metal artifacts. In this paper, we propose a new projection completion metal …

Metal artifact reduction of CT scans to improve PET/CT

CS van der Vos, AIJ Arens, JJ Hamill… - Journal of Nuclear …, 2017‏ - jnm.snmjournals.org
In recent years, different metal artifact reduction methods have been developed for CT.
These methods have only recently been introduced for PET/CT even though they could be …

Experiences of adults living with an implantable cardioverter defibrillator for cardiovascular disease: a systematic review of qualitative evidence

A Pike, K Dobbin-Williams, M Swab - JBI Evidence Synthesis, 2020‏ - journals.lww.com
Objective: The objective of this review was to synthesize the best available qualitative
evidence on the everyday life experiences of adults living with an implantable cardioverter …

Respiratory-induced errors in tumor quantification and delineation in CT attenuation-corrected PET images: effects of tumor size, tumor location, and respiratory trace …

P Geramifar, MS Zafarghandi, P Ghafarian… - Molecular imaging and …, 2013‏ - Springer
Purpose We investigated the magnitude of respiratory-induced errors in tumor maximum
standardized uptake value (SUV max), localization, and volume for different respiratory …

[HTML][HTML] The influence of misregistration between CT and SPECT images on the accuracy of CT-based attenuation correction of cardiac SPECT/CT imaging: Phantom …

L Saleki, P Ghafarian, A Bitarafan-Rajabi… - Iranian Journal of …, 2019‏ - irjnm.tums.ac.ir
Introduction: Integration of single photon emission computed tomography (SPECT) and
computed tomography (CT) scanners into SPECT/CT hybrid systems permit detection of …

Dosimetric measurements of Onyx embolization material for stereotactic radiosurgery

DA Roberts, JM Balter, N Chaudhary… - Medical …, 2012‏ - Wiley Online Library
Purpose: Arteriovenous malformations are often treated with a combination of embolization
and stereotactic radiosurgery. Concern has been expressed in the past regarding the …

[HTML][HTML] Metal artifact reduction in computed tomography images based on developed generative adversarial neural network

G Khaleghi, M Hosntalab, M Sadeghi, R Reiazi… - Informatics in Medicine …, 2021‏ - Elsevier
Objectives Metal artifacts are one of the major issues encountered in computed tomography
(CT) images since they may make distinguishing healthy and tumor organs and computing …

MR-driven metal artifact reduction in PET/CT

G Delso, S Wollenweber, A Lonn… - Physics in Medicine …, 2013‏ - iopscience.iop.org
Among the proposed system architectures capable of delivering positron emission
tomography/magnetic resonance (PET/MR) datasets, tri-modality systems open an …