Detection and compensation of organ/lesion motion using 4D-PET/CT respiratory gated acquisition techniques

V Bettinardi, M Picchio, N Di Muzio, L Gianolli… - Radiotherapy and …, 2010 - Elsevier
PURPOSE: To describe the degradation effects produced by respiratory organ and lesion
motion on PET/CT images and to define the role of respiratory gated (RG) 4D-PET/CT …

[HTML][HTML] Optimal gating compared to 3D and 4D PET reconstruction for characterization of lung tumours

W Van Elmpt, J Hamill, J Jones… - European journal of …, 2011 - Springer
Purpose We investigated the added value of a new respiratory amplitude-based PET
reconstruction method called optimal gating (OG) with the aim of providing accurate image …

A new fast and fully automated software based algorithm for extracting respiratory signal from raw PET data and its comparison to other methods

AL Kesner, C Kuntner - Medical physics, 2010 - Wiley Online Library
Purpose: Respiratory gating in PET is an approach used to minimize the negative effects of
respiratory motion on spatial resolution. It is based on an initial determination of a patient's …

Cardiac motion compensation and resolution modeling in simultaneous PET-MR: a cardiac lesion detection study

Y Petibon, J Ouyang, X Zhu, C Huang… - Physics in Medicine …, 2013 - iopscience.iop.org
Cardiac motion and partial volume effects (PVE) are two of the main causes of image
degradation in cardiac PET. Motion generates artifacts and blurring while PVE lead to …

Quantitative imaging in radiation oncology: an emerging science and clinical service

DA Jaffray, C Chung, C Coolens, W Foltz… - Seminars in radiation …, 2015 - Elsevier
Radiation oncology has long required quantitative imaging approaches for the safe and
effective delivery of radiation therapy. The past 10 years has seen a remarkable expansion …

Number of partitions (gates) needed to obtain motion‐free images in a respiratory gated 4D‐PET/CT study as a function of the lesion size and motion displacement

V Bettinardi, E Rapisarda, MC Gilardi - Medical physics, 2009 - Wiley Online Library
Purpose: In this study we evaluate the number of data partitions (gates) needed to sort 4D‐
PET and 4D‐CT data to obtain motion‐free images as a function of lesion size and motion …

Issues in quantification of registered respiratory gated PET/CT in the lung

V Cuplov, BF Holman, J McClelland… - Physics in Medicine …, 2017 - iopscience.iop.org
PET/CT quantification of lung tissue is limited by several difficulties: the lung density and
local volume changes during respiration, the anatomical mismatch between PET and CT …

Serial 4DCT/4DPET imaging to predict and monitor response for locally-advanced non-small cell lung cancer chemo-radiotherapy

JP Bissonnette, ML Yap, K Clarke, A Shessel… - Radiotherapy and …, 2018 - Elsevier
Background and purpose A FDG-PET/CT image feature with optimal prognostic potential for
locally-advanced non-small cell lung cancer (LA-NSCLC) patients has yet to be identified …

Accuracy of amplitude-based respiratory gating for PET/CT in irregular respirations

Y Tsutsui, D Kidera, T Taniguchi, G Akamatsu… - Annals of nuclear …, 2014 - Springer
Objective We evaluated the accuracy of amplitude gating PET (AG-PET) compared with
phase gating PET (PG-PET) in relation to respiratory motion patterns based on a phantom …

Adaptive dose escalation using serial four-dimensional positron emission tomography/computed tomography scans during radiotherapy for locally advanced non …

ML Yap, A Sun, J Higgins, K Clarke, A Marshall… - Clinical Oncology, 2016 - Elsevier
Aims Computed tomography (CT)-based radiotherapy dose escalation for locally advanced
non-small cell lung cancer (LA-NSCLC) has had limited success. In this planning study, we …