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Abstract #1598

MR thermometry guided RF hyperthermia in the head and neck region – does the new MRcollar affect the imaging?

Kemal Sumser1, Tomas Drizdal1,2, Juan Antonio Hernandez-Tamames3, Gerard Cornelis van Rhoon1, Gennaro G. Bellizzi1, and Margarethus Marius Paulides1,4

1Department of Radiation Oncology, Erasmus MC - Cancer Institute, Rotterdam, Netherlands, 2Faculty of Biomedical Engineering, Czech Technical University in Prague, Prague, Czech Republic, 3Department of Radiology, Erasmus MC, Rotterdam, Netherlands, 4Department of Electrical Engineering, Technical University of Eindhoven, Eindhoven, Netherlands

Clinical studies established that adjuvant effect of mild hyperthermia can be improved by increasing thermal dose, which can be improved by online 3D dosimetry. To take advantage of MR thermometry, we developed an MR compatible head and neck RF hyperthermia applicator prototype for the head and neck region: the MRcollar. To establish the impact of the MRcollar on image quality, we imaged B1+ map and calculated the Signal-to-Noise Ratio when the body coil was used.

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