Abstract #2301
Clinical evaluation of ZTE skull segmentation
Gaspar Delso 1 , Mohammad Mehdi Khalighi 1 , Florian Wiesinger 2 , and Patrick Veit-Haibach 3
1
GE Healthcare, Waukesha, WI, United States,
2
GE
Global Research, Germany,
3
University
Hospital of Zurich, Switzerland
One of the main challenges of attenuation correction in
hybrid PET/MR scanners is the correct identification of
bone tissue. A recent development has been the
publication of a new bone identification technique,
based on 3D radial zero echo time (ZTE) imaging. This
sequence provides high-resolution, isotropic images,
suitable for bone segmentation, without the need of
preparation pulses or multiple echoes, making it a very
time-efficient acquisition. The goal of the present
study is to compare ZTE bone images of clinical patients
with the corresponding CT datasets, obtained using a
tri-modality scanner setup.
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