^○TAKASHI IHAYA¹, Shuichi Yamamoto¹, Hiraku Yodono² (1.Department of Radiology, San-in Rosai Hospital, Yonago, Japan, 2.Department of Radiology, Narumi Hospital, Hirosaki, Japan)

^○NORIYUKI MIYAMOTO, NAOYA KINOTA, HIROTAKA KATO, KYOHEI KUDO (Department of Radiology, Obihiro Kosei Hospital, Hokkaido, Japan)

^○EIJI SUGIHARA^1,2, YUU TANAKA¹, RYOUSUKE OOHIRA¹, SHUUJI KAWATA¹, HARUYOSHI KISHIMOTO¹, HITOSHI WATANABE¹, SEIICHI KAWAMOTO² (1.Department of Radiology, Kansai Rosai Hospital, Amagasaki, Japan, 2.IVR center, Department of Diagnostic Imaging, Osaka General Medical Center, Osaka , Japan)

^○KEN KAGEYAMA, Akira Yamamoto, Atsushi Jogo, Hiroki Yonezawa, Takehito Nota, Kazuki Murai, Satoyuki Ogawa, Mariko Nakano, Etsuji Sohgawa, Shinichi Hamamoto, Yukio Miki (Osaka City University Graduate School of Medicine)

^○HIROSHI ANAI¹, Shinsaku Maeda², Hirofumi Ito¹, Aya Hashimoto¹, Shoko Hidaka¹, Masanori Inoue³, Seishi Nakatsuka³ (1.Department of Radiology and Research and Development Center for Interventional Radiology, Nara City Hospital, 2.Department of Radiology, Nara Prefecture Seiwa Medical Center, Nara Japan, 3.Department of Radiology, Keio University School of Medcine, Tokyo Japan)

^○DAISUKE YASUI¹, SATORU MURATA², TATSUO UEDA¹, FUMIE SUGIHARA¹, HIDEMASA SAITOU¹, SAYAKA SHIRAI¹, HIROSHI ITOH³, MASAYUKI KOBAYASHI³, SHINICHIRO KUMITA¹ (1.Department of Radiology, Nippon Medical School, Tokyo, Japan, 2.Teikyo University Chiba Medical Center, 3.Advanced Animal Medical Center)

^○MASAFUMI EBIHARA¹, HIRONOBU SAKAI¹, SHINICHI KATO¹, YUICHI MASUDA¹, KAZUKI OOMORI¹, SHIGEO MINABA¹, HIROYUKI TSUSHIMA² (1.Department of Radiology,Tsuchiura Kyodo Hospital,Ibaraki,Japan, 2.Department of health,Ibaraki Prefectural University of Health Sciences,Ibaraki,Japan)

^○KEI SHIBUYA¹, HIROYUKI TOKUE¹, MASAYA MIYAZAKI¹, HIROKI TOJIMA², YUICHI YAMAZAKI², SATORU KAKIZAKI² (1.Department of Diagnostic and Interventional Radiology, Gunma University Hospital, Maebashi, Japan, 2.Department of Gastroenterology and Hepatology, Gunma University Hospital, Maebashi, Japan)