Abstract #4399

Evaluation of MRI performance and PET compatibility of a 32 channel coil for the Siemens Biograph mMR PET/MRI scanner

Harris Bidaman¹, Katie Dinelle¹, Reggie Taylor^2,3, and Lauri Tuominen^2,4

¹Brain Imaging Centre, Royal Ottawa Mental Health Centre, Ottawa, ON, Canada, ²University of Ottawa Institute of Mental Health Research at The Royal, Ottawa, ON, Canada, ³Department of Physics, Carleton University, Ottawa, ON, Canada, ⁴Department of Psychiatry, University of Ottawa, Ottawa, ON, Canada

Synopsis

Keywords: PET/MR, Brain, CoilWe evaluate MRI and PET performance of the novel Siemens 32 channel head coil for the Siemens Biograph mMR. Results are compared to the system standard 12 channel coil. MRI performance (SNR) was improved with the 32 channel coil. PET image uniformity was not impacted. ROI analysis of the PET data indicated a 5% underestimation of activity concentration in the 32 channel coil, however this difference was mitigated by the use of an image derived reference region. Any small differences in PET performance introduced by the 32 channel coil are far outweighed by the superior MRI performance of this coil.

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