Abstract #0404
MRI Compatibility of a High-Resolution Small Animal PET Insert Operating Inside a 7T MRI
Jonathan D. Thiessen 1,2 , Ehsan Shams 3,4 , Greg Stortz 5 , Graham Schellenberg 4 , Daryl Bishop 6 , Muhammad Salman Khan 7 , Piotr Kozlowski 8 , Fabrice Retire 6 , Vesna Sossi 5 , Christopher J. Thompson 9 , and Andrew L. Goertzen 4,10
1
Imaging Program, Lawson Health Research
Institute, London, Ontario, Canada,
2
Medical
Biophysics, Western University, London, Ontario, Canada,
3
Graduate
Program in Biomedical Engineering, University of
Manitoba, Winnipeg, Manitoba, Canada,
4
Physics
& Astronomy, University of Manitoba, Winnipeg, Manitoba,
Canada,
5
Physics
& Astronomy, University of British Columbia, Vancouver,
British Columbia, Canada,
6
Detector
Development Group, TRIUMF, Vancouver, British Columbia,
Canada,
7
Electrical
& Computer Engineering, University of Manitoba,
Winnipeg, Manitoba, Canada,
8
Radiology,
University of British Columbia, Vancouver, British
Columbia, Canada,
9
McConnell
Brain Imaging Centre, Montreal Neurological Institute,
Montral, Qubec, Canada,
10
Radiology,
University of Manitoba, Winnipeg, Manitoba, Canada
We are building an MRI compatible, high-resolution small
animal positron emission tomography (PET) insert. The
PET insert is designed to achieve 1 mm spatial
resolution in the center of its field-of-view and fit
within the 114 mm inner diameter of a BGA-12S gradient
system installed in a Bruker 7T MRI. Good PET detector
and MRI performance was demonstrated with the PET insert
operating inside the MRI. A data acquisition system
capable of acquiring energy data from all 16 detector
modules is currently being developed on the OpenPET
firmware platform, with the first PET/MR images
anticipated in early 2015.
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