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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Appl+Clin+Med+Phys
2020 ; 21
(10
): 10-24
Nephropedia Template TP
gab.com Text
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English Wikipedia
An international survey on the clinical use of rigid and deformable image
registration in radiotherapy
#MMPMID32915492
Yuen J
; Barber J
; Ralston A
; Gray A
; Walker A
; Hardcastle N
; Schmidt L
; Harrison K
; Poder J
; Sykes JR
; Jameson MG
J Appl Clin Med Phys
2020[Oct]; 21
(10
): 10-24
PMID32915492
show ga
OBJECTIVES: Rigid image registration (RIR) and deformable image registration
(DIR) are widely used in radiotherapy. This project aims to capture current
international approaches to image registration. METHODS: A survey was designed to
identify variations in use, resources, implementation, and decision-making
criteria for clinical image registration. This was distributed to radiotherapy
centers internationally in 2018. RESULTS: There were 57 responses
internationally, from the Americas (46%), Australia/New Zealand (32%), Europe
(12%), and Asia (10%). Rigid image registration and DIR were used clinically for
computed tomography (CT)-CT registration (96% and 51%, respectively), followed by
CT-PET (81% and 47%), CT-CBCT (84% and 19%), CT-MR (93% and 19%), MR-MR (49% and
5%), and CT-US (9% and 0%). Respondent centers performed DIR using dedicated
software (75%) and treatment planning systems (29%), with 84% having some form of
DIR software. Centers have clinically implemented DIR for atlas-based
segmentation (47%), multi-modality treatment planning (65%), and dose deformation
(63%). The clinical use of DIR for multi-modality treatment planning and
accounting for retreatments was considered to have the highest benefit-to-risk
ratio (69% and 67%, respectively). CONCLUSIONS: This survey data provides useful
insights on where, when, and how image registration has been implemented in
radiotherapy centers around the world. DIR is mainly in clinical use for CT-CT
(51%) and CT-PET (47%) for the head and neck (43-57% over all use cases) region.
The highest benefit-risk ratio for clinical use of DIR was for multi-modality
treatment planning and accounting for retreatments, which also had higher
clinical use than for adaptive radiotherapy and atlas-based segmentation.