Whole Body RF Coil Design for a Simultaneous PET-MR System

In conventional whole body RF transmit coils, various RF components such as diodes, capacitors, inductors, cables etc. are placed throughout the coil for optimal MR performance. If such components are placed in the FOV of the PET detector in a simultaneous PET/MR system, they will scatter some of the PET signals (511keV annihilation photons), affecting image quality. To address this problem we have created a zero PET attenuation whole body transmit/receive coil with minimal use of high density RF components. We present design and performance for the resulting body coil as implemented in our 3.0T simultaneous PET/MR system.

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