^○MIYUKI MARUNO, HIRO KIYOSUE, SHUNRO MATSUMOTO (Department of Radiology, Oita University Faculty of Medicine, Yufu, Japan)

^○MITSUHIRO KISHINO¹, SHUICHIROU NAKAMINATO¹, YOSHIO KITAZUME¹, MARIE TAKAHASHI¹, KOUICHIROU KIMURA¹, TAKAYA TAKEGUCHI², YUKO TAKEGUCHI², SHUICHI YANAI³, KENJI NISHIDA¹, YUKIHISA SAIDA¹, UKIHIDE TATEISHI¹ (1.Tokyo Medical and Dental University, 2.Japanese Red Cross Musashino Hospital, 3.Ome Municipal General Hospital)

^○SHINSAKU YATA¹, YASUFUMI OHUCHI¹, AKIRA ADACHI¹, MASAYUKI ENDO¹, SHOHEI TAKASUGI¹, KAZUMICHI TSUKAMOTO¹, SHUICHI YAMAMOTO², KENSUKE MATSUMOTO³, MIKA KODANI⁴, JUN MAKISHIMA⁵, TOSHIO KAMINOU⁶, SHINYA FUJII¹ (1.Division of Radiology, Department of Pathophysiological Therapeutic Science, Tottori University School of Medicine, Tottori, Japan, 2.Department of Radiology, San-in Rosai Hospital, Tottori, Japan, 3.Department of Radiology, Tottori Municipal Hospital, Tottori, Japan, 4.Department of Radiology, Tottori Prefectural Kosei Hospital, Tottori, Japan, 5.Department of Radiology, Yoka Hospital, Hyogo, Japan, 6.Department of Radiology, Tsukazaki Hospital, Hyogo, Japan)

^○TAKUJI ARAKI, HIROKI OKADA, AKIRA IMAIZUMI, YU SASAKI, HIROTO IMAIMATSU, HIROSHI ONISHI (Department of Radiology, University of Yamanashi, Yamanashi, Japan)

^○YOSHIMI FUJII¹, JUN KOIZUMI², TAKUYA HARA², TATSUYA SEKIGUCHI², SYUN ONO², HIROKI KOBAYASHI², YUKA SEKIGUCHI², TETSUYA MINE³, TATEHIRO KAGAWA³, SHUNJI HIROSE³, KOUTA TSURUYA³, YUTAKA IMAI² (1.Department of Diagnostic Radiology, Fujisawa City Hospital, Kanagawa, Japan, 2.Department of Diagnostic Radiology, School of Medicine, Tokai University, 3.Department of Gastroenterology and Hepatology, School of Medicine, Tokai University)

^○AKIRA YAMAMOTO¹, Jogo Atsushi¹, Masao Hamuro², Tatehito Nota¹, Kazutoyo Murai¹, Satoyuki Ogawa¹, Mariko Nakano¹, Ken Kageyama¹, Etshuji Sohgawa¹, Shinichi Hamamoto¹, Toshio Kaminou³, Yukio Miki¹ (1.Osaka City University Graduate School of Medicine, Department of Diagnostic and Interventional Radiology, Osaka, Japan, 2.Izumiotsu Municipal Hospital, Department of Radiology, 3.Tsukazaki Hospital, Department of Radiology)

^○YUKA SEKIGUCHI¹, JUN KOIZUMI¹, TATSUYA SEKIGUCHI¹, TAKUYA HARA¹, HIROKI KOBAYASHI¹, HAYATO TERAYAMA², KOU SAKABE², TAKASHI YAMANE³, HIROSHI TSUKAMOTO⁴, YOSHIMI FUJII⁴ (1.The Department of Diagnostic Radiology, Tokai University School of Medicine, Isehara, Japan, 2.The Department of Anatomy, Division of Basic Medicine, Tokai University School of Medicine, Isehara, Japan, 3.The Department of Radiology, Saiseikai Kanagawaken Hospital, Yokohama, Japan, 4.The Department of Diagnostic Radiology, Fujisawa City Hospital, Fujisawa, Japan)

^○KAISHU TANAKA^1,2, KEIGO OSUGA¹, HIROKI HIGASHIHARA¹, KEISUKE NAGAI¹, YASUSHI KIMURA¹, YUSUKE ONO¹, MANABU TAKAMURA², NORIYUKI TOMIYAMA¹ (1.Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, Osaka, Japan, 2.Department of Radiology, Toyonaka Municipal Hospital, Osaka, Japan)

^○Keigo Chosa, Yasutaka Baba, Wataru Fukumoto, Hidenori Mitani, Yoshiko Matsubara, Keigo Narita, Syogo Maeda, Kazuo Awai (Diagnostic Radiology, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan)

^○TOGO KOGO, SEISHI NAKATSUKA, YUUKI YOSHIKAWA, MANABU HASE, HIDEYUKI TORIKAI, MASASHI TAMURA, NOBUTAKE ITO, MASANORI INOUE, MASAHIRO JINZAKI (The Department of Diagnostic Radiology, University of Keio, Tokyo, Japan)