Abstract #3682

PETcoil: Elements of an RF-penetrable positron emission tomography insert for simultaneous PET/MRI

Brian Jun Lee^1,2, Chen-Ming Chang^1,3, Ilaria Sacco¹, Ronald Watkins¹, and Craig S Levin^1,4,5,6

¹Radiology, Stanford University, Stanford, CA, United States, ²Mechanical Engineering, Stanford University, Stanford, CA, United States, ³Applied Physics, Stanford University, Stanford, CA, United States, ⁴Electrical Engineering, Stanford University, Stanford, CA, United States, ⁵Physics, Stanford University, Stanford, CA, United States, ⁶Bioengineering, Stanford University, Stanford, CA, United States

A PET insert dedicated to brain PET/MRI offers several advantages compared to the commercial integrated whole-body PET/MRI systems, including better sensitivity, spatial resolution, and significantly lower price. We are developing an RF-penetrable PET insert integrated with a custom RX-only phased-array coil, termed collectively as “PETcoil”, dedicated for brain PET/MRI (30 cm diameter, 16 cm axial FOV). In this presentation, we will present the design and preliminary results of the PETcoil with regards to minimizing mutual interference between the PET and MRI while maintaining excellent performance.

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