Abstract #3072
Zero TE based PET attenuation correction in the head
Florian Wiesinger 1 , Anne Menini 1 , Sangtae Ahn 2 , Lishui Cheng 2 , Gaspar Delso 3 , Sandeep Kaushik 4 , Ravindra Manjeshwar 2 , and Dattesh Shanbhag 4
1
GE Global Research, Munich, Germany,
2
GE
Global Research, Niskayuna, NY, United States,
3
GE
Healthcare, Zurich, Switzerland,
4
GE
Global Research, Bangalore, India
PET/MR is a novel hybrid imaging modality which promises
to influence radiology in the near and long-term future.
Despite dedicated and focused research efforts, MR-based
PET attenuation correction (MR-AC) as required for
quantitative PET is still considered challenging;
especially when compared to PET/CT. A particular
challenge is the correct characterization of bone; i.e.
the human tissue with the highest PET attenuation value
but which is difficult to capture by MR. Recently a
novel zero TE (ZT) based method has been described for
fast and reliable bone depiction and segmentation. Here
we investigate the feasibility of ZT-based PET
attenuation correction (ZT-AC) in the head.
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