^○Mitsuhiro Kishino¹, Shuichiro Nakaminato¹, Marie Takahashi¹, Yoshio Kitazume¹, Jun Oyama¹, Kenji Nishida^1,3, Koichiro Kimura¹, Yusuke Ogihara², Toshihiro Horii¹, Yukihisa Saida¹, Ukihide Tateishi¹ (1.Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan, 2.Sano Kosei General Hospital, Sano city, Japan, 3.Tsuchiura Kyodo General Hospital)

^○Ryoichi Kitamura¹, Wataru Higashiura¹, Hiroaki Takara¹, Ryo Kinoshita², Tadashi Yasutani¹, Fumikiyo Ganaha² (1.Department of Radiology, Okinawa Prefectural Chubu Hospital, Uruma, Japan, 2.Department of Radiology, Okinawa Prefectural Nanbu Medical Center and Children's Medical Center, Okinawa, Japan)

^○Taiki Moriyama¹, Hirotaka Sawano¹, Takashi Sugiura², Yasuyuki Hayashi¹ (1.Saiseikai Senri Hospital, Senri Critical Care Medical Center,Osaka,Japan, 2.彩都友紘会病院)

^○Asuka Tsuchiya¹, Joe Toda², Kouji Ishigami¹, Fumimasa Tabata³, Masahito Togo¹, Yusuke Tsutsumi¹ (1.Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Center, 2.Department of Diagnostic Radiology, Mitsui Memorial Hospital, 3.Department of Cardiovascular Internal Medicine, National Hospital Organization Mito Medical Center)