^○RYUSEI ZAKO, Hiroshi Kondo, Eri Hoshino, Shohei Inui, Akiyoshi Suzuki, Toshimasa Sugawara, Taro Yokoyama, Masayoshi Yamamoto, Joe Toda, Hiroshi Oba (Departments of Radiology, Teikyo University School of Medicine, Tokyo, Japan)

^○MAKOTO AOKI¹, Takayuki Ogura², Mitsunobu Nakamura², Kiyohiro Oshima¹ (1.Department of Emergency Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan, 2.Advanced Medical Emergency Department and Critical Care Center, Japan Red Cross Maebashi Hospital, Maebashi, Japan)

^○YUKITOSHI TOYODA¹, SHINTARO FRUGORI¹, TOMOHIKO ORITA¹, KATSUYA MAESHIMA², YUKIO INOUE², KOUZOU SATOU², TOMOHIRO FUNABIKI¹ (1.Department of Emergency and Critical Care Medicine,Saiseikai Yokohamashi Tobu Hospital,Kanagawa,Japan, 2.Department of Diagnostic Radiology,Saiseikai Yokohamashi Tobu Hospital,Kanagawa,Japan)

^○AKIYOSHISUZUKI0926@GMAIL.COM SUZUKI¹, Hiroshi Kondo¹, Eri Hoshino¹, Shohei Inui¹, Ryusei Zako¹, Toshimasa Sugawara¹, Taro Yokoyama¹, Masayoshi Yamamoto¹, Joe Toda^1,2, Hiroshi Oba¹ (1.The department of radiology, Teikyo University hospital, Tokyo, Japan, 2.Medical Scaning, Ebisu, Tokyo, Japan)

^○TAKAAKI MARUHASHI¹, FUMIE KASHIMI¹, YUTARO KURIHARA¹, SATOSHI TAMURA¹, HIROSHI NISHIMAKI², YASUSHI ASARI¹ (1.Department of Emergency and Critical Care Medicine, Kitasato University School of Medicine, Kanagawa, Japan, 2.Department of Cardiovascular Surgery, St. Marianna University School of Medicine, Kanagawa, Japan)

^○TOMOHIKO ORITA¹, TOMOHIRO FUNABIKI¹, Shokei Matsumoto¹, Masayuki Shimizu¹, YUKITOSHI TOYODA¹, NAO HIROE¹, TAKU KAZAMAKI¹, YUKIO INOUE², KATSUYA MAESHIMA², KOUZOU SATOU² (1.Department of Emergency and Critical Care Medicine, Saiseikai Yokohamashi Tobu Hospital, Yokohama, Japan, 2.Department of Diagnostic Radiology, Saiseikai Yokohamashi Tobu Hospital, Yokohama, Japan)