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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