Review of cone beam computed tomography based online adaptive radiotherapy: current trend and future direction.
Radiat Oncol
; 18(1): 144, 2023 Sep 02.
Article
in En
| MEDLINE
| ID: mdl-37660057
ABSTRACT
Adaptive radiotherapy (ART) was introduced in the late 1990s to improve the accuracy and efficiency of therapy and minimize radiation-induced toxicities. ART combines multiple tools for imaging, assessing the need for adaptation, treatment planning, quality assurance, and has been utilized to monitor inter- or intra-fraction anatomical variations of the target and organs-at-risk (OARs). Ethos™ (Varian Medical Systems, Palo Alto, CA), a cone beam computed tomography (CBCT) based radiotherapy treatment system that uses artificial intelligence (AI) and machine learning to perform ART, was introduced in 2020. Since then, numerous studies have been done to examine the potential benefits of Ethos™ CBCT-guided ART compared to non-adaptive radiotherapy. This review will explore the current trends of Ethos™, including improved CBCT image quality, a feasible clinical workflow, daily automated contouring and treatment planning, and motion management. Nevertheless, evidence of clinical improvements with the use of Ethos™ are limited and is currently under investigation via clinical trials.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Radiation Injuries
/
Radiation Oncology
Limits:
Humans
Language:
En
Journal:
Radiat Oncol
Journal subject:
NEOPLASIAS
/
RADIOTERAPIA
Year:
2023
Document type:
Article
Affiliation country:
United States