^○Hiroki Yano¹, Masahisa Nakamura¹, Kousuke Tomotake¹, Satoshi Okubo¹, Hiromitsu Sumikawa¹, Akihiro Kuriu¹, Masaki Fujimori², Shinji Kitamura², Hideaki Yakushiji³ (1.Sakai City Medical Center, Osaka, Japan, 2.Sakai City Medical Center, Osaka, Japan, 3.Sakai City Medical Center, Osaka, Japan)

^○Yoshihiro Noda¹, Takumi Ohba³, Shinya Ohnishi¹, Motonori Takahagi¹, Noriyuki Kato², Kensuke Ooue⁴, Satofumi Tanaka⁴, Yoichiro Miyake⁴ (1.Department of Radiology,Kochi Health Science Center,Kochi,Japan, 2.Department of Radiology,Mie University,Japan, 3.Department of Radiology,Kawasaki Saiwai hospital,Japan, 4.Department of Cardiovascular Surgery,Kochi Heatth Science Center,Japan)

^○Yuichirou Izumi¹, Shuji Ikeda¹, Akira Kitagawa¹, Yusuke Imaeda², Tetsuya Yamada², Makiyo Hagihara¹, Toyohiro Ota¹, Tsuneo Ishiguchi¹, Kojiro Suzuki¹ (1.Department of Radiology Aichi Medical University Aichi Japan, 2.Department of Vascular Surgery Aichi Medical University Aichi Japan)

^○Tetsuhiro Hirata¹, Tatsuhiko Sato¹, Yousuke Horii¹, Yuma Fuzawa¹, Kojiro Minato¹, Norihiko Yoshimura¹, Hiroyuki Honda², Tadayuki Honda² (1.Department of radiology, Niigata University Medical & Dental Hospital, Niigata, Japan, 2.Advanced Disaster Medical & Emergency Critical Care Center and Intensive Care Units, Niigata University Medical & Dental Hospital, Niigata, Japan)

^○Hisao Yajima¹, Hiroyuki Tokue², Masashi Ehara², Souma Kumasaka², Makoto Aoki¹, Hiroyuki Tokue², Kei Shibuya², Masaya Miyazaki³, Takahito Nakajima², Yumi Maehara², Kiyohiro Oshima¹, Yoshito Tsushima² (1.Department of Emergency Medicine, Gunma University Graduate School of Medicine, Gunma, Japan, 2.Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Gunma, Japan, 3.Department of Applied Image Medicine, Gunma University Graduate School of Medicine, Gunma, Japan)

^○Kenkichi Michimoto¹, Takahiro Higuchi², Rui Kano³, Yosuke Nozawa³, Keitaro Enoki², Yo Matsui⁴, Shinsuke Takenaga⁵ (1.Department of Radiology, Fuji City General Hospital, 2.Department of Radiology, The Jikei University Kashiwa Hospital, 3.Department of Radiology, The Jikei University School of Medicine, 4.Department of Radiology, Tokyo Shinagawa Hospital, 5.Department of Radiology, The Jikei University Katsushika Medical Center)