Respiratory phase matching in PET/CT using fast spiral CT
577 Objectives: In a whole-body PET/CT study, patient motion during the CT and PET scans
affects the spatial alignment of CT and PET images, sometimes leading to errors in image …
affects the spatial alignment of CT and PET images, sometimes leading to errors in image …
Data-driven phase-matched PET/CT: a solution for axial location-dependent respiratory phase in CT
T Feng, G Yang, H Liu, Y Ding, Y Lv, H Li, Y Dong - 2021 - Soc Nuclear Med
1420 Introduction: Respiratory motion introduces motion blurring and attenuation and
activity mismatch artifacts in PET/CT scans. In a free-breathing PET/CT scan, the data-driven …
activity mismatch artifacts in PET/CT scans. In a free-breathing PET/CT scan, the data-driven …
Improved alignment of PET and CT images in whole-body PET/CT in cases of respiratory motion during CT
JJ Hamill, JG Meier, SLB Cuellar… - Journal of Nuclear …, 2020 - Soc Nuclear Med
Respiratory motion during the CT and PET parts of a PET/CT scan leads to imperfect
alignment of anatomic features seen by the 2 modalities. In this work, we concentrate on the …
alignment of anatomic features seen by the 2 modalities. In this work, we concentrate on the …
Transforming static CT in PET/CT to multiple respiratory phases
M Dawood, F Büther, X Jiang, N Lang, O Schober… - 2007 - Soc Nuclear Med
139 Objectives: Discrepancy between CT and PET data due to motion in PET/CT studies is
known. Observance of different respiratory phases of PET data is thus important to the …
known. Observance of different respiratory phases of PET data is thus important to the …
Motion-free PET: Compensating for patient respiration in whole-body PET/CT imaging
672 Objectives: We present a method to compensate for respiratory motion during whole-
body PET imaging. While respiratory gated PET/CT is now clinically feasible, there are …
body PET imaging. While respiratory gated PET/CT is now clinically feasible, there are …
Whole-body respiratory gated PET/CT
537 Objectives: We assess the functionality of a respiratory gated PET/CT protocol that is
both clinically feasible and applicable to whole-body imaging. There are potential benefits of …
both clinically feasible and applicable to whole-body imaging. There are potential benefits of …
Comparison of a free-breathing CT and an expiratory breath-hold CT with regard to spatial alignment of amplitude-based respiratory-gated PET and CT images
CS van der Vos, W Grootjans… - Journal of Nuclear …, 2014 - Soc Nuclear Med
Respiratory motion during PET has a significant effect on the quantification of radiotracer
uptake in PET images. Even when respiratory motion is considered using PET gating …
uptake in PET images. Even when respiratory motion is considered using PET gating …
Implementation of an automated respiratory amplitude gating technique for PET/CT: clinical evaluation
G Chang, T Chang, T Pan, JW Clark… - Journal of Nuclear …, 2010 - Soc Nuclear Med
Amplitude gating techniques have recently been shown to be better at suppressing
respiratory motion artifacts than phase gating. However, most commercial PET/CT scanners …
respiratory motion artifacts than phase gating. However, most commercial PET/CT scanners …
Single-phase CT aligned to gated PET for respiratory motion correction in cardiac PET/CT
Respiratory motion can induce artifacts in cardiac PET/CT because of the misregistration of
the CT attenuation map and emission data. Some solutions to the respiratory motion …
the CT attenuation map and emission data. Some solutions to the respiratory motion …
Consistency driven respiratory phase alignment and motion compensation in PET/CT
A Alessio, S Kohlmyer… - 2007 IEEE Nuclear …, 2007 - ieeexplore.ieee.org
Respiratory motion in PET/CT imaging degrades PET image quantitation due to misaligned
attenuation correction (AC) factors and motion blurring. This work explores the use of the …
attenuation correction (AC) factors and motion blurring. This work explores the use of the …