^○KOICHIRO KIMURA¹, MITUHIRO KISHINO¹, AYUMU YAMADA¹, KENZI NISHIDA², TAKUMI OSHIMA³, MARIE TAKAHASHI¹, JUN OYAMA¹, SHUICHIRO NAKAMINATO¹, YOSHIO KITAZUME¹, UKIHIDE TATEISHI¹ (1.Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan, 2.Department of Diagnostic Radiology, Tsuchiura Kyodo General Hospital, Ibaraki, Japan, 3.Department of Diagnostic Radiology, JA Toride Medical Center, Ibaraki, Japan)

^○TOSHIMASA SUGAWARA, Hiroshi Kondo, Eri Hoshino, Syohei Inui, Akiyoshi Suzuki, Ryusei Zako, Taro Yokoyama, Masayoshi Yamamoto, Jyo Toda, Hiroshi Ooba (Teikyo university, Tokyo, Japan)

^○MASASHI EBARA^1,2, HIDEO MORITA¹, TAKAKAZU KOMATSU², TERUTAKA YOSHIHARA², SATOMI SASAKI³, MITSUNOBU NAKAMURA³, MASAYA MIYAZAKI², YOSHITO TSUSHIMA² (1.Department of Diagnostic Radiology, Japanese Red Cross Maebashi Hospital, Maebashi, Japan, 2.Department of Diagnostic Radiology, Interventional Radiology and Nuclear Medicine, Gunma University Hospital, Maebashi, Japan, 3.Advanced Medical Emergency Department and Critical Care Center, Japan Red Cross Maebashi Hospital, Maebashi, Japan.)

^○MOTOMU AKITA¹, KENTA IZAKI¹, CHIEKO KINOSHITA¹, EIRO SAKAI¹, HIROFUMI OKADA², KOJI SUGIMOTO³, TAKAMICHI MURAKAMI⁴ (1.Department of Radiology, Hyogo Prefectural Kakogawa Medical Center, 2.Department of Gastroenterology, Hyogo Prefectural Kakogawa Medical Center, 3.Center for Endovascular Therapy, Kobe University Hospital, 4.Department of Diagnostic and Interventional Radiology, Kobe University Graduate School of Medicine)