Abstract #0055
Hybrid Encoding for Quantitative Electron Paramagnetic Resonance Imaging
Hyungseok Jang 1,2 , Chandramouli Gadisetti 3 , Devasahayam Nallathamby 4 , Murali C Krishna 4 , and Alan B McMillan 1
1
Radiology, University of Wisconsin, Madison,
WI, United States,
2
Electrical
and Computer Engineering, University of Wisconsin,
Madison, WI, United States,
3
GenEpria
Consulting Inc., Columbia, MD, United States,
4
Radiation
Biology Branch, Center for Cancer Research, National
Cancer Institute, Bethesda, MD, United States
In EPR oxygen imaging, spatial and temporal resolution
is challenged due to low spin densities and short
relaxation times. Therefore, it is crucial to achieve
accelerated imaging to allow greater flexibility in
resolving spatial and temporal oxygen variations. In
this study, we successfully employed a hybrid encoding
scheme that greatly reduces encoding time compared with
conventional SPI encoding techniques utilized in EPRI.
Moreover, this new technique allows the reconstruction
of images across multiple echo times from a single
acquisition to enable quantification of oxygen via T
2
*
mapping.
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