^○Satomu Hanamatsu¹, Kazuhiro Murayama², Yoshiharu Ohno^1,2, Kaori Yamamoto³, Masato Ikedo³, Masao Yui³, Yuichiro Sano³, Akiyoshi Iwase⁴, Takashi Fukuba⁴, Sigeki Kobayashi⁵, Kazuhiro Katada¹, Hiroshi Toyama¹ (1.Department of Radiology, Fujita Health University School of Medicine, 2.Joint Research Laboratory of Advanced Medicine Imaging, Fujita Health University School of Medicine, 3.Canon Medical Systems Corporation, 4.Department of Radiology, Fujita Health University Hospital, 5.Fujita Health University, School of Medical Sciences, Faculty of Radiological Technology)

^○Shoko Hara^1,2, Yoji Tanaka¹, Motoki Inaji^1,2, Shihori Hayashi^1,2, Taketoshi Maehara¹, Kenji Ishii², Tadashi Nariai^1,2 (1.Department of Neurosurgery, Tokyo Medical and Dental University, 2.Research Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology)

^○Takashige Yoshida¹, Kohei Yuda¹, Tomoyuki Okuaki², Takashi Namiki², Mika Yanagida², Choppin Antoine³, Daisaku Takamiya³, Nobuo Kawauchi¹ (1.Tokyo Metropolitan Police Hospital, 2.Philips Electronics Japan, 3.LPIXEL Inc.)

^○Tomoya Muroi¹, Shuji Sato¹, Fumitaka Kumagai¹, Toshiya Akatsu^1,2, Nao Takano¹, Hideo Kawasaki¹, Haruyoshi Houshito¹, Shigeki Aoki¹ (1.Department of Radiology, Juntendo University Hospital, 2.Department of Radiology, Graduate School of Medicine, Juntendo University)

^○Hiroyuki Uetani¹, Hiroyuki UetaniMika Kitajima¹, Yuki Ohmori², Kosuke Morita³, Yuichi Yamashita⁴, Yasuyuki Kaku², Takeshi Nakaura¹, Akira Sasao¹, Akitake Mukasa², Toshinori Hirai¹ (1.Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 2.Department of Neurosurgery, Faculty of Life Sciences, Kumamoto University, 3.Central Radiology section, Kumamoto University Hospital, 4.Canon Medical Systems Corporation, MRI sales department, sales engineer group)

^○Yuji Miyatake¹, Sunao Nakata¹, Kazuto Anzai¹, Yasuaki Kamada¹, Naomi Honjo² (1.Radiation Department, Osaka Neurosurgical Hospital, 2.Department of Radiology, Osaka Neurosurgical Hospital)

^○Takuya Kobata, Tatsuya Yamasaki, Keigo Omori, Kazuo Ogawa (Department of radiology, Kagawa University Hosipital)

^○Yutaka Ikenouchi¹, Michimasa Suzuki¹, Toshiya Akatsu¹, Nao Takano¹, Sho Arai², Akiyoshi Suzuki¹, Kanako Sato¹, Koji Kamagata¹, Toshiaki Akashi¹, Akihiko Wada¹, Hidenori Oishi², Shigeki Aoki¹ (1.Department of Radiology, Juntendo University, 2.Department of Neurosurgery, Juntendo University)

^○Keisuke Ueda, Kenji Moriyama (Department of Medical Technology, Hokuto Social Medical Corporation Hokuto Hospital)

^○Ayumu Funaki^1,2, Toshirou Shukuya¹, Kazunori Ohashi¹, Satoshi Yamaura¹, Satoshi Iijima¹, Akihiro Narita², Masaki Ohkubo² (1.Dokkyo Medical University Saitama Medical Center, 2.Graduate school of health science, Niigata University)

^○Haruyuki Fukuchi^1,2, Toshiya Akatsu^2,3, Hiroshi Kusahara², Nao Takano³, Yutaka Ikenouchi², Michimasa Suzuki², Kohji Kamagata², Osamu Abe¹, Shigeru Aoki² (1.Department of Radiology, Graduate School of Medicine, University of Tokyo, 2.Department of Radiology, Juntendo University Graduate School of Medicine, 3.Department of Radiology, Juntendo University Hospital)