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Abstract #4682

Dura Mater imaging with UTE T2* Mapping

Yuki Kanazawa1, Masafumi Harada1, Mitsuharu Miyoshi2, Yuki Matsumoto3, Hiroaki Hayashi1, Toshiaki Sasaki4, Natsuki Ikemitsu4, and Michael Carl2

1Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan, 2Global MR Applications and Workflow, GE Healthcare, 3Graduate school of Health Science, Tokushima University, 4School of Health Sciences, Tokushima University

To assess signal of dura mater acquired from UTE imaging, we evaluated this component with T2* mapping derived from a multi-echo UTE sequence of healthy volunteers. We then compared measured T2* values of cranium and dura mater. The mean T2* value of dura mater in five healthy volunteers was significantly higher than that of cranium (P < .05). It is found that the T2* decay of dura mater was faster than the cranium components. UTE T2* mapping makes it possible to obtain detailed information for meningeal abnormalities.

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