Ultra-low-dose CT for attenuation correction: dose savings and effect on PET quantification for protocols with and without tin filter.

Natalie Anne BebbingtonKenneth Boye ChristensenLone Lange ØstergårdPaw Christian Holdgaard

Published in: EJNMMI physics (2023)

CT protocols for PET AC can provide ultra-low doses with adequate PET quantification. The tin filter can allow 60-87% lower dose than the standard ULDCT protocol for PET AC, depending on tissue density and accepted change in PET quantification.

Keyphrases

positron emission tomography
computed tomography
pet ct
low dose
pet imaging
magnetic resonance imaging
randomized controlled trial
dual energy
contrast enhanced
image quality
high resolution
high dose
magnetic resonance