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Abstract #2597

DWI-Thermometry Study on Differences by Imaging Conditions of LV Temperature Measurements and Its Temperature Changes by Tympanic Temperature

Kentaro Akazawa 1 , Koji Sakai 2 , Rennie, Yung-Chieh Chen 3 , Jun Tazoe 1 , Kaori Nishida 1 , Akiko Takahata 1 , Mariko Goto 1 , Koshi Terayama 1 , and Kei Yamada 1

1 Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Kyoto, Japan, 2 Department of Human Health Science, Graduate School of Medicine, Kyoto, Kyoto, Japan, 3 Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taipei, Taiwan

Diffusion-weighted image (DWI)-thermometry is one of the most clinically applicable approaches among some magnetic resonance methods. The DWI-based method calculates the temperature of cerebrospinal fluid based on diffusion coefficient of the lateral ventricles. However, the technique is relatively recent and insufficient yet in its analysis. We, therefore, need further evaluation. The results revealed that lateral ventricular (LV) temperature measurement was successfully performed using DWI-thermometry, slice thickness had significant effect on the calculation of LV temperature, and thinner slice thickness was considered to produce better results than the thick slices. Also we found that LV temperature would change with tympanic temperature.

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