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Abstract #0407

Whole-body concept for integration of hybrid PET/MR imaging into radiation therapy treatment planning

Daniel H Paulus 1 , Mark Oehmigen 2 , and Harald H Quick 1,2

1 Institute of Medical Physics, University of Erlangen-Nrnberg, Erlangen, Germany, 2 High Field and Hybrid MR Imaging, University Hospital Essen, Essen, Germany

PET and MR imaging have become an important part in radiation therapy (RT) treatment planning for accurate target volume delineation. A novel concept for hybrid PET/MR systems is presented that allows for whole-body imaging with dedicated RT equipment including a flat RT table overlay and RF body coil holders. Height adjustable body bridges fix a body RF coil above the patients body without touching it and can be mounted at different positions. Attenuation correction maps can be automatically generated for each patient setup. MR and PET compatibility has been systematically evaluated using phantom scans and a first patient study.

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