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Abstract #1740

A comprehensive study on electrically floating PET insert for efficient RF penetrability at 3 T MRI system

Md Shahadat Hossain Akram1, Craig S. Levin2, Takayuki Obata1, Genki Hirumi1, and Taiga Yamaya1

1National Institute of Radiological Sciences, Japan, Chiba, Japan, 2Stanford University, Stanford, CA, United States

A comprehensive experimental study has been conducted on the geometrical aspects of electrically floating radio frequency (RF) penetrable PET inserts to improve the RF penetration efficiency for acceptable MR imaging performance. Several one ring and two ring PET insert prototypes were used to do experiments in a 700-mm bore diameter 3 T clinical MRI system with a homogeneous cylindrical phantom. Study results provide guidance for optimized PET ring design for efficient RF field penetration inside the shielded ring.

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