^○Hiroshi Miura¹, Syunsuke Itisaka² (1.Department of Radiology, Hino Municipal Hospital, Tokyo, Japan, 2.Department of Surgery, Hino Municipal Hospital, Tokyo, Japan)

^○Hiroshi Miura¹, Syunsuke Itisaka² (1.Department of Radiology, Hino Municipal Hospital, Tokyo, Japan, 2.Department of Surgery, Hino Municipal Hospital, Tokyo, Japan)

^○Yuichi Shimohara, Shigeo Ichihashi, Masanori Yamashita, Hidehiko Taguchi, Satoru Nagatomi, Masahiro Inagaki, Yutaka Yoshiyama, Takahiro Nakai, Shinichi Iwakoshi, Kimihiko Kichikawa (Department of Radiology and Nuclear Medicine, Nara Medical University, Nara, Japan)

^○Naokazu Miyamoto¹, Kohei Yamawaki², Shigeyasu Tsuda², Yasuhiro Fujiwara¹, Akifumi Kajihara¹, Fumiko Namba¹, Mika Omori¹, Shuji Adachi¹, Miki Fujii⁴, Akitoshi Yamada³, Shinichiro Yamada², Masaru Tomita¹, Kojiro Awano², Koji Sugimoto⁵ (1.Department of Radiology, Kita-Harima Medical Center, Ono, Japan, 2.Department of Cardiology, Kita-Harima Medical Center, Ono, Japan, 3.Department of Cardiovascular surgery, Kita-Harima Medical Center, Ono, Japan, 4.Department of Plastic Surgery, Kita-Harima Medical Center, Ono, Japan, 5.Department of Radiology and Interventional Radiology, Kobe University Graduate School of Medicine, Kobe, Japan)

^○Tomoyasu Sato (Dept. of interventional and diagnostic radiology, Tsuchiya General Hospital)

^○Katsutoshi Takayama¹, Takeshi Wada¹, Kaoru Myouchin², Shigeo Ichihashi², Kimihiko Kichikawa² (1.Department of Interventional neuroradiology and radiology, Kouseikai Takai Hospital, 2.Department of Radiology and IVR centar, Nara Medical University)

^○Katsutoshi Takayama¹, Shigeo Ichihashi², Kimihiko Kichikawa², Tomoyasu Sato³, Yoshiro Chiba⁴, Akira Adachi⁵, Merumitsu Hasebe⁶, Kouji Sugimoto⁷, Ryoichi Tanaka⁸, Motoki Nakai⁹, Koji Yamamoto¹⁰, Hiroshi Kawamata¹¹, Hiroyuki Tajima¹¹, Ryuta Kawasaki¹², Naokazu Miyamoto¹³, Tomonori Naakmura¹⁴, Makoto Hanawa¹⁵, Masanori Inoue¹⁶ (1.Department of Interventional neuroradiology and radiology, Kouseikai Takai Hospital, 2.Nara Medical University, Kashihara, Japan, 3.Tsuchiya General Hospital, Hiroshima, 4.Mito Saiseikai General Hospital, Mito,, 5.Tottori University, Faculty of Medicine, Yonago,, 6.Tokai University Hachioji Hospital, Hachioji, Tokyo, Japan, 7.Kobe University Hospital, Kobe, Japan, 8.Iwate Medical College, Morioka, Japan, 9.Wakayama Medical University, Wakayama, 10.Sumitomo Hospital, Osaka, 11.Nippon Medical School Musashi Kosugi Hospital, Kanagawa, Japan, 12.Hyogo Brain and Heart Center at Himeji, Himeji, Japan, 13.Kita-harima Medical Center, Ono, Hyogo, 14.Matsue Seikyo General Hospital,Matuse, Japan, 15.Asahikawa City Hospital, Hokkaido, 16.Keio University School of Medicine, Tokyo)

^○Ryutaro Fujitsuna, Fumie Sugihara, Daisuke Yasui, Hidemasa Saito, Sayaka Shirai, Taiga Matsumoto, Tatsuo Ueda, Shinnichiro Kumita (Department of Radiology, Nippon Medical School, Tokyo, Japan)