Abstract #3170
Functional Quantitative Susceptibility Mapping in Comparison with BOLD and PET
PINAR SENAY ZBAY 1,2 , Cristina Rossi 1 , Geoffrey Warnock 3 , Klaas Paul Prssmann 2 , and Daniel Nanz 1
1
Institute for Diagnostic and Interventional
Radiology, University Hospital Zrich, Zrich, Zrich,
Switzerland,
2
Institute
for Biomedical Engineering, University and ETH Zrich,
Zrich, Zrich, Switzerland,
3
University
Hospital Zrich, Clinic of Nuclear Medicine, Zrich,
Zrich, Switzerland
In functional MRI, phase information as complementary
information to BOLD signal-magnitude changes have been
investigated with increasing interest in recent years.
In this study we tested to what degree Quantitative
Susceptibility Maps, derived from EPI-phase data that
were simultaneously acquired with traditional BOLD fMRI
magnitude data, reflect patterns of neuronal activation
as observed with an identical block-design
visual-stimulation paradigm in water PET and BOLD MRI
data. Observations pertinent to data processing and QSM
data are reported.
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