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Abstract #3150

The Effect of Implant for Lumbar Assessment in Simultaneous TOF PET/MR: A Preliminary Report

Wei-Min Hung1, Ching-Wei Gu1, Guo-Shu Huang1, Charng-Chyi Shieh2, Chia-Wei Li2, Yen-Chang Chen2, and Yi-Chih Hsu1
1Department of Radiology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, 2GE Healthcare, Taipei, Taiwan


This study focused on the accuracy of standardized uptake value (SUV) reconstructed using the corrected MR attenuation correction (MRAC) images with time-of-flight (TOF) information by PET in patients with metallic implants. We compared the SUV of both paraspinal and psoas muscles in patients with and without implant for TOF reconstructed PET images. In the result, there was no significance in the SUV measurements obtained from MRAC between no-implant and with-implant patients. And therefore, our study demonstrated that SUVs measured from TOF PET/MR of lumbar implant indicated good reliability and robust of MRAC.

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