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Licensed Unlicensed Requires Authentication Published by Oldenbourg Wissenschaftsverlag November 16, 2013

First Measurement of Signal Changes Induced by Ionizing Radiation in Magnetic Resonance Imaging

Erstmalige direkte MRT Messung von Signalveränderungen durch ionisierende Strahlung
Markus Rausch

B. Sc. Markus Rausch is B. Sc. in Optics and Laser Engineering which he finished in 2013 at the University of Applied Sciences Koblenz, RheinAhrCampus Remagen. He is currently enrolled in the Master Programm “Applied Physics” at the same Campus. Main fields of activity: MR based radiation detection, image processing.

Hochschule Koblenz, RheinAhrCampus, Joseph-Rovan-Allee 2, 53424 Remagen, Tel.: +49 (02642) 932406

, Felix Schyboll

Felix Schyboll studies Measurement and Sensor Technology at the University of Applied Sciences Koblenz, RheinAhrCampus Remagen, Germany, since the fall term of 2010. Main fields of activity: Numerical Simulations with Matlab.

Hochschule Koblenz, RheinAhrCampus, Joseph-Rovan-Allee 2, 53424 Remagen, Tel.: +49 (02642) 932406

and Heiko Neeb

Prof. Dr. Heiko Neeb is Professor for Medical Physics at the University of Applied Sciences Koblenz, RheinAhrCampus Remagen, since 2008 and head of the Multimodal Imaging Physics Group. Main fields of activity: Development of new methods for Neuro-MRI, MRI-based bound water imaging, Development of methods for supervised and non-supervised classification, New MR methods and contrasts, Quantum-mechanical simulation of tissue relaxation processes.

Hochschule Koblenz, RheinAhrCampus, Joseph-Rovan-Allee 2, 53424 Remagen, Tel.: +49 (02642) 9324443

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From the journal tm – Technisches Messen

Abstract

There is an increasing tendency towards the use of combined MR/PET scanners and combined MR-Linac (Linear accelerator) systems in both clinical and research settings. The current work therefore investigated the effects of ionising radiation on the acquired MR signal, both experimentally and using a simple theoretical model. We have observed a phase signal change in the radiated area inside a water phantom. However, the theoretical basis of this observation is not fully covered by the employed model and needs further research.

Zusammenfassung

In der klinischen Routine und Forschung rücken kombinierte MR/PET und MR-Linearbeschleunigersysteme zunehmend in den Vordergrund. In dieser Arbeit wurde daher experimentell und theoretisch untersucht, ob und welchen Einfluss die ionisierende Strahlung auf das akquirierte MRT-Signal hat. Es konnte experimentell eine Änderung des Phasensignals im bestrahlten Bereich eines Phantoms festgestellt werden, wobei die zu Grunde liegenden physikalischen Mechanismen mit dem entwickelten Modell nicht komplett reproduziert werden können.

About the authors

Markus Rausch

B. Sc. Markus Rausch is B. Sc. in Optics and Laser Engineering which he finished in 2013 at the University of Applied Sciences Koblenz, RheinAhrCampus Remagen. He is currently enrolled in the Master Programm “Applied Physics” at the same Campus. Main fields of activity: MR based radiation detection, image processing.

Hochschule Koblenz, RheinAhrCampus, Joseph-Rovan-Allee 2, 53424 Remagen, Tel.: +49 (02642) 932406

Felix Schyboll

Felix Schyboll studies Measurement and Sensor Technology at the University of Applied Sciences Koblenz, RheinAhrCampus Remagen, Germany, since the fall term of 2010. Main fields of activity: Numerical Simulations with Matlab.

Hochschule Koblenz, RheinAhrCampus, Joseph-Rovan-Allee 2, 53424 Remagen, Tel.: +49 (02642) 932406

Heiko Neeb

Prof. Dr. Heiko Neeb is Professor for Medical Physics at the University of Applied Sciences Koblenz, RheinAhrCampus Remagen, since 2008 and head of the Multimodal Imaging Physics Group. Main fields of activity: Development of new methods for Neuro-MRI, MRI-based bound water imaging, Development of methods for supervised and non-supervised classification, New MR methods and contrasts, Quantum-mechanical simulation of tissue relaxation processes.

Hochschule Koblenz, RheinAhrCampus, Joseph-Rovan-Allee 2, 53424 Remagen, Tel.: +49 (02642) 9324443

Received: 2013-7-19
Accepted: 2013-8-3
Published Online: 2013-11-16
Published in Print: 2013-11-1

© 2013 by Walter de Gruyter Berlin Boston

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