^○Tetsuya Masada, Toshihiro Tanaka, Hideyuki Nishiofuku, Takeshi Sato, Shota Tatsumoto, Natsuhiko Saito, Takeshi Matsumoto, Yuto Chanoki, Kimihiko Kichikawa (Nara Medical University, Department of Radiology and Nuclear Medicine, Kashihara, Japan)

^○Takeshi Sato¹, Toshihiro Tanaka¹, Hideyuki Nishiofuku¹, Hiroshi Anai², Takeshi Matsumoto¹, Kimihiko Kichikawa¹ (1.Nara Medical University, Department of Radiology and Nuclear Medicine, IVR Center, 2.Nara City Hospital, Nara)

^○Mariko Nakano^1,2, Akira Yamamoto¹, Ken Kageyama¹, Atsushi Jogo¹, Etsuji Sohgawa¹, Satoyuki Ogawa¹, Kazuki Murai¹, Takehito Nota¹, Hiroki Yonezawa¹, Shouhei Harada¹, Yukio Miki¹ (1.Department of Diagnostic and Interventional Radiology, Osaka City University Graduate School of Medicine, 2.Department of Radiology, National Hospital Organization Osaka Minami Medical Center)

^○Takuji Maruyama, Shuji Kariya, Miyuki Nakatani, Yutaka Ueno, Yasuyuki Ono, Atsushi Komemushi, Noboru Tanigawa (Department of Radiology, Kansai Medical University, Osaka, Japan)

^○Yuki Yoshino^1,2, Daisuke Abo¹, Ryo Morita¹, Takeshi Soyama¹, Kohsuke Kudo² (1.Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital, Sapporo, Japan, 2.Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan)

^○Ryo Ogawa, Seishi Nakatsuka, Manabu Hase, Hideyuki Torikai, Masashi Tamura, Nobutake Ito, Masanori Inoue, Hideki Yashiro, Masahiro Jinzaki (Diagnostic Radiology, School of Medicine, Keio University, Tokyo, Japan)