^○Shuichi Tanoue¹, Masamichi Koganemaru¹, Asako Kuhara¹, Tomoko Kugiyama¹, Norimitsu Tanaka¹, Masaru Hirohata², Toshi Abe¹ (1.Department of Radiology, Kurune University School of Medicine, 2.Department of Neurosurgery, Kurum University School of Medicine)

^○Koji Sasaki, Takuya Okada, Masato Yamaguchi, Hamada Mostafa, Tomoyuki Gentsu, Eisuke Ueshima, Keitaro Sofue, Koji Sugimoto, Takamichi Murakami (Department of Diagnostic and Interventional Radiology, Kobe University Hospital, Kobe, Japan)

^○Akira Ikoma, Motoki Nakai, Kodai Fukuda, Atsufumi Kamisako, Hironobu Ihira, Saeko Onishi, Shota Ueda, Ryota Tanaka, Takao Koyama, Hirotats Sato, Fumihiro Tanaka, Tetsuo Sonomura (Department of Radiology, Wakayama Medical University, Wakayama, Japan)

^○Reiko Woodhams¹, Kaoru Fujii¹, Keiji Matsunaga¹, Yutaro Kurihara² (1.Department of Diagnostic Radiology, Kitasato University School of Medicine, Kanagawa,Japan, 2.Department of Emergency and Critical Care, Kitasato University School of Medicine, Kanagawa,Japan)

^○Akira Kitagawa, Akiko Narita, Nozomu Matsunaga, Shuji Ikeda, Yuichiro Izumi, Makiyo Hagihara, Toyohiro Ota, Kojiro Suzuki (Department of Radiology, Aichi Medical University, Nagakute, Japan)

^○Rie Yagi^1,2 (1.Department of Cardiovascular Surgery, Juntendo University, Tokyo, Japan, 2.Department of Cardiovascular Surgery, Edogawa Hospital, Tokyo, Japan)

^○Sekiguchi Tatsuya, Takuya Hara, Shun Ono, Hiroki Kobayashi, Yuka Sekiguchi, Jun Koizumi (Department of Radiology, University of Tokai, Isehara, Japan)