Abstract #3412

Measurement of intraventricular temperature in the whole brain using second order motion compensation DTI

Shuhei Shibukawa¹, Tetsu Niwa², Tosiaki Miyati³, Misaki Saito⁴, Tetsuo Ogino⁵, Daisuke Yoshimaru⁶, and Kagayaki Kuroda⁷

¹Tokai university hospital, Kanagawa, Japan, ²Tokai University School of Medicine, Isehara, Japan, ³Kanazawa University, Kanazawa, Japan, ⁴Tokai university hospital, Isehara, Japan, ⁵Philips Japan, Tokyo, Japan, ⁶RIKEN Center for Brain Science, saitama, Japan, ⁷Course of Electrical and Electronic Engineering, Graduate School of Engineering, Tokai University, Isehara, Japan

The intraventricular cerebrospinal fluid (CSF) temperature calculated from the diffusion coefficient is affected by the CSF pulsation. Therefore, we investigated the second-order motion compensation DTI (2nd-MC DTI) in consideration of fractional anisotropy (FA) for the CSF to the determination of the intraventricular temperature to improve that accuracy. The measurement of the intraventricular temperature with 2nd-MC DTI showed the least SD and can be more accurately estimated than conventional DTI.

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