YUKICHI TANAHASHI, Satoshi Goshima, Hiroshi Kawada, ^○Tetsuro Kaga, Nobuyuki Kawai, Tomohiro Ando, Shoma Nagata, Hiroki Imada, Yoshifumi Noda, Masayuki Matsuo (Department of Radiology, Gifu University Hospital, Gifu, Japan)

^○sadao hayashi, terutoshi senokuchi, hiroaki nagano, shinya nakamura, yoshihiko fukukura, takashi yoshiura (Department of Radiology, Kagoshima University Graduate School of Medical and Dental Science, Kagoshima, Japan)

^○YASUHIRO USHIJIMA, YOSHIKI ASAYAMA, AKIHIRO NISHIE, DAISUKE KAKIHARA, YUKIHISA TAKAYAMA, KOUICHIRO MORITA, KEISUKE ISHIMATSU, SEIICHIRO TAKAO, HIROSHI HONDA (Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University)

^○YUSUKE MATSUI¹, TAKAO HIRAKI¹, TOSHIHIRO IGUCHI¹, KOJI TOMITA¹, MAYU UKA¹, YANQING ZHAO¹, TAKUYA YAMAGUCHI², TAKATSUGU YAMAUCHI², HIROKI ICHIKAWA², HIDEO GOBARA¹, SUSUMU KANAZAWA¹ (1.Department of Radiology, Okayama University Medical School, Japan, 2.Central Division of Radiology, Okayama University Hospital, Japan)

^○Chihiro Itou, Miyuki Sone, Shunsuke Sugawara, Tetsuya Hasegawa, Noriyuki Umakoshi, Yasuyuki Oonishi, Shintaro Kimura, Shinji Hujidzuka, Yasuaki Arai, Masahiko Kusumoto (The Department of Diagnostic Radiology, National Cancer Center Hospital, Tokyo, Japan)

^○TERUTAKA YOSHIHARA¹, MASAYA MIYAZAKI^1,2, TAKAKAZU KOMATSU¹, SHINTARO KIMURA³, MASASHI EBARA⁴, SOMA KUMASAKA¹, HIROYUKI TOKUE¹, KEI SHIBUYA¹, YOSHITO TSUSHIMA¹ (1.Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Hospital, Gunma, Japan, 2.Gunma University Hospital, Gunma, Japan, 3.National Cancer Center Hospital, Tokyo, Japan, 4.Japanese Red Cross Maebashi Hospital)

^○KENJI MOTOHASHI¹, KANICHIRO SHIMIZU¹, KEITARO ENOKI¹, TAKAHIRO HIGUCHI¹, JUN MIKI², SHUNICHI SADAOKA¹ (1.The Jikei University, Kashiwa Hospital, Department of Radiology, Chiba, Japan, 2.The Jikei University, Kashiwa Hospital, Department of Urology, Chiba, Japan)

^○MIDORI ENOKIDO, Ken Koyama, Taishi Amano, Masahumi Sakai (Ibaraki prefectural central hospital ,Department of the Diagnostic and Interventional radiology)

^○KEITARO ENOKI¹, Kanichiro Shimizu¹, Kenji Motohashi¹, Takahiro Higuchi¹, Jun Miki², Shunichi Sadaoka¹ (1.Department of Radiology, The Jikei University, Kashiwa Hospital, Chiba, Japan, 2.Department of Urology, The Jikei University, Kashiwa Hospital, Chiba, Japan)

^○MASANORI INOUE¹, Nobutake Ito¹, Hideyuki Torikai¹, Manabu Hase¹, Hideo Kayama², Tadayoshi Kurata³, Yoshiaki Narimatsu³, Hideki Yashiro⁴, Manabu Misu¹, Seishi Nakatsuka¹, Togo Kogo¹, Yuji Furukawa¹, Masahiro Jinzaki¹ (1.Diagnostic radiology, Keio University, Tokyo, Japan, 2.International Goodwill Hospoital, 3.Kawasaki Municipal Hospital, Kanagawa Japan, 4.Hiratsuka City Hospital, Kanagawa, Japan)