Impact Analysis of the Interobserver Variability in CBCT-Based Soft-Tissue Matching using TCP/NTCP Models for Prostate Cancer Radiotherapy

X Zhang, X Wang, X Li, L Zhou, S Nie, C Li, X Wang… - 2021 - researchsquare.com
Background: Prostate alignment is subject to interobserver variability in cone-beam CT
(CBCT)-based soft-tissue matching. This study aims to analyze the impact of interobserver …

Evaluating the impact of possible interobserver variability in CBCT-based soft-tissue matching using TCP/NTCP models for prostate cancer radiotherapy

X Zhang, X Wang, X Li, L Zhou, S Nie, C Li, X Wang… - Radiation …, 2022 - Springer
Background Prostate alignment is subject to interobserver variability in cone-beam CT
(CBCT)-based soft-tissue matching. This study aims to analyze the impact of possible …

Assessment of cone beam CT registration for prostate radiation therapy: Fiducial marker and soft tissue methods

T Deegan, R Owen, T Holt, A Fielding… - Journal of medical …, 2015 - Wiley Online Library
Introduction This investigation aimed to assess the consistency and accuracy of radiation
therapists (RTs) performing cone beam computed tomography (CBCT) alignment to fiducial …

Evaluation of two methods for soft tissue registration in online CT guided prostate cancer radiotherapy

GB Ivaldi, Q Wu, J Liang, D Lockman, D Yan… - International Journal of …, 2004 - redjournal.org
Results The average time to perform the correction was on the order of 3 minutes for the IBR
and 1 minute for the CBR. While both techniques have uncertainties, we adopted the CBR …

Hybrid CBCT image deformable organ registration for prostate cancer radiotherapy dose assessment: Quantitative Validation Study

A Qin, J Liang, D Yan - International Journal of Radiation Oncology …, 2011 - redjournal.org
Results The table outlines the distance before registration as well as residuals of visicoil end
points after registration with and without including visicoil, also listed is the volume overlap …

The dosimetric impact of manual adjustments following automated registration in prostate image-guided radiotherapy

MN ElBeltagi, D Harper, L Coleman - Journal of Radiotherapy in …, 2018 - cambridge.org
AimAlthough manual adjustment of automatic cone beam computed tomography (CBCT)
matching may improve the target coverage in certain points of interest, concerns exist that …

A novel approach for establishing benchmark CBCT/CT deformable image registrations in prostate cancer radiotherapy

J Kim, S Kumar, C Liu, H Zhong… - Physics in Medicine …, 2013 - iopscience.iop.org
Deformable image registration (DIR) is an integral component for adaptive radiation therapy.
However, accurate registration between daily cone-beam computed tomography (CBCT) …

A novel approach for establishing benchmark CBCT/CT deformable image registrations in prostate cancer radiation therapy

J Kim, S Kumar, C Liu, H Zhong, J Robbins… - International Journal of …, 2013 - redjournal.org
Results Inter-user variability of organ contouring on CBCT images was significant; the
overall mean DICE index was only 0.7 among physicians. Seminal vesicle volumes were …

[HTML][HTML] Prostate positioning using cone-beam computer tomography based on manual soft-tissue registration. Interobserver agreement between radiation oncologists …

BA Jereczek-Fossa, C Pobbiati, P Fanti… - Strahlentherapie und …, 2014 - osti.gov
To check the interobserver agreement between radiation oncologists and therapists (RTT)
using an on-and off-line cone-beam computer tomography (CBCT) protocol for setup …

Development of CBCT-based prostate setup correction strategies and impact of rectal distension

C Boydev, A Taleb-Ahmed, F Derraz, L Peyrodie… - Radiation …, 2015 - Springer
Background Cone-beam computed tomography (CBCT) image-guided radiotherapy (IGRT)
systems are widely used tools to verify and correct the target position before each fraction …