^○Shota Ishida¹, Hirohiko Kimura², Naoyuki Takei³, Yasuhiro Fujiwara⁴, Tsuyoshi Matsuda⁵, Masayuki Kanamoto¹, Yuki Matta¹, Nobuyuki Kosaka², Eiji Kidoya¹ (1.Radiological Center, University of Fukui Hospital, 2.Department of Radiology, Faculty of Medical Sciences, University of Fukui, 3.Global MR Applications and Workflow, GE Healthcare Japan, 4.Department of Medical Image Sciences, Faculty of Life Sciences, Kumamoto University, 5.Division of Ultra-high Field MRI, Institute for Biomedical Science, Iwate Medical University)

^○Akatsu Toshiya^1,2, Haruyuki Fukuchi^1,3, Yutaka Ikenouchi¹, Michimasa Suzuki¹, Syo Arai¹, Akihiko Wada¹, Koji Kamagata¹, Osamu Abe³, Shigeki Aoki¹ (1.Department of Radiology, Juntendo University Graduate School of Medicine, 2.Department of Radiology, Juntendo University Hospital, 3.Department of Radiology, Graduate School of Medicine, University of Tokyo)

^○Miki Sawano, Yoshiaki Morita, Masaru Shiotani, Yasuhiro Nagai, Yoshitsune Tanaka, Wataru Ueki, Tatsuhiro Yamamoto, Yasutoshi Ohta, Tetsuya Fukuda (Department of Radiology, National Cerebral and Cardiovascular Center)

^○Masaru Shiotani, Yoshiaki Morita, Yasuhiro Nagai, Wataru Ueki, Tatsuhiro Yamamoto, Miki Sawano, Yasutoshi Ohta, Keizo Murakawa, Tetsuya Fukuda (Department of Radiology, National Cerebral and Cardiovascular Center)

^○Takashi Inoue¹, Masayuki Ezura², Hiroshi Uenohara², Satoru Ohtomo¹, Teiji Tominaga³ (1.Department of Neurosurgery, Southi Miyagi Medical Center, 2.Department of Neurosurgery, Sendai Medical Center, 3.Department of Neurosurgery, Tohoku Graudate University)

^○Kazuhiro Nakamura, Toshibumi Kinoshita (Research Institute for Brain and Blood Vessels Akita)