Simple immobilization for stereotactic radiotherapy aimed at pelvic metastases.

Autor:	Janssen J; Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands., Brouwer CL; Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands., Staal FHE; Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands., van Herpt HE; Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands., Both S; Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands., Langendijk JA; Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands., Aluwini S; Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
Jazyk:	angličtina
Zdroj:	Physics and imaging in radiation oncology [Phys Imaging Radiat Oncol] 2023 Jun 20; Vol. 27, pp. 100460. Date of Electronic Publication: 2023 Jun 20 (Print Publication: 2023).
DOI:	10.1016/j.phro.2023.100460
Abstrakt:	Stereotactic body radiotherapy (SBRT) is increasingly applied for pelvic oligometastases of prostate cancer, and currently no simple immobilization method is available for cone beam computed tomography (CBCT)-guided treatment. We assessed patient set-up and intrafraction motion using simple immobilization during CBCT-guided pelvic SBRT. Forty patients were immobilized with basic arm- head- and knee support and either a thermoplastic cushion or a foam cushion. Analysis of 454 CBCTs showed mean intrafraction translation <3.0 mm in 94% of fractions and mean intrafraction rotation <1.5° in 95% of fractions. Therefore, simple immobilization ensured stable patient positioning during CBCT-guided pelvic SBRT. Competing Interests: The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: The evaluated patient group is part of the ADOPT clinical trial (Principal Investigator S. Aluwini, NCT04302454), which has been funded by the Dutch Cancer Society (KWF, Amsterdam). The department of Radiation Oncology of the University Medical Center Groningen has research contracts with IBA, RaySearch, Siemens, Elekta, Leoni, and Mirada, and has received grants from the Dutch Cancer Society and the European Union. (© 2023 The Author(s).)
Databáze:	MEDLINE
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