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Radiother Oncol. 2015 May;115(2):191-4. doi: 10.1016/j.radonc.2015.03.021. Epub 2015 Apr 9.

MRI integration into treatment planning of head and neck tumors: Can patient immobilization be avoided?

Author information

1
Erasmus MC University Medical Center, Department of Medical Informatics, Rotterdam, The Netherlands; Erasmus MC University Medical Center, Department of Radiology, Rotterdam, The Netherlands. Electronic address: vfortunati83@gmail.com.
2
Erasmus MC University Medical Center - Cancer Clinic, Rotterdam, Department of Radiation Oncology, The Netherlands.
3
Erasmus MC University Medical Center, Department of Radiology, Rotterdam, The Netherlands.
4
I.R.C.C.S. Foundation SDN, for Research and Higher Education in Nuclear Diagnostic, Naples, Italy.
5
Erasmus MC University Medical Center, Department of Medical Informatics, Rotterdam, The Netherlands; Erasmus MC University Medical Center, Department of Radiology, Rotterdam, The Netherlands; Delft University of Technology, Faculty of Applied Sciences, The Netherlands.
6
Erasmus MC University Medical Center, Department of Medical Informatics, Rotterdam, The Netherlands; Erasmus MC University Medical Center, Department of Radiology, Rotterdam, The Netherlands.

Abstract

To assess whether deformable registration between CT and MR images can be used to avoid patient immobilization, we compared registration accuracy in various scenarios, with and without immobilization equipment. Whereas both deformable registration and the use of immobilization equipment improved the registration accuracy, the combination gave the best alignment.

KEYWORDS:

Deformable registration; Head and neck; Hyperthermia; MRI; Patient immobilization; Radiotherapy; Treatment planning

PMID:
25866029
DOI:
10.1016/j.radonc.2015.03.021
[Indexed for MEDLINE]

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