Title

The use of six degrees of freedom couch is only clinically beneficial in stereotactic radio surgery.

Document Type

Article

Publication Date

2-1-2019

Publication Title

Medical physics

Abstract

High-accuracy radiotherapy is desired for precise delivery of radiation treatment to cancer. Modern technologies have been developed to pursue this goal, such as image-guided radiation therapy (IGRT), intensity-modulated radiation therapy (IMRT), stereotactic radiosurgery (SRS), and stereotactic body radiation therapy (SBRT). A recent development to improve patient setup accuracy is the six-degrees-of-freedom (6DOF) couch, which overcomes limitations of the four degrees-of-freedom (4DOF) couch in correcting rotational errors of patient positioning by providing additional adjustments for pitch and roll. While some are optimistic about the clinical adoption of 6DOF couch to different treatment techniques and cancer sites, others argue that 6DOF is only beneficial to and thus necessary for SRS. This is the premise debated in this month's Point/Counterpoint. This article is protected by copyright. All rights reserved.

PubMed ID

30620084

Volume

46

Issue

2

First Page

415

Last Page

418

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