^○kazunori yamakoshi, hidenori iwasa, yuri yoshimura, akihiro kouda, tomomasa tateno, hiroyuki yazawa, kinya shibata, humio satou (Department of Radiologic Technology, Jichi Medical University Hospital, Tochigi, Japan)

^○Shinsuke Hosoi¹, Hiroaki Satou¹, Kazuki Hanzawa¹, Yuka Nakane¹, Kenichi Numoto¹, Takahiro Tahara¹, Kazuhiro Tsuchiya² (1.Central Radiology Division,Saitama Medical Center, 2.Department of Radiology,Saitama Medical Center)

^○Takashi Nishihara, Kuniharu Oka, Masahiro Takizawa, Hiroyuki Itagaki (Healthcare Business Unit, Hitachi, Ltd.)

^○Yuta Akamine¹, Makoto Obara¹, Osamu Togao², Shuhei Shibukawa³, Masami Yoneyama¹, Tomoyuki Okuaki⁴, Marc Van　Cauteren⁴ (1.Philips Electronics Japan, Shinagawa, Tokyo, Japan, 2.Department of Clinical Radiology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan, 3.Department of Radiology, Tokai University Hospital, Kanagawa, Japan, 4.Philips Healthcare, Asia Pacific, Shinagawa, Tokyo, Japan)

^○Makoto Obara¹, Osamu Togao², Noriyuki Fujima³, Shuhei Shibukawa⁴, Tomoyuki Okuaki⁵, Masami Yoneyama¹, Yuta Akamine¹, Marc Van Cauteren⁵ (1.Philips Electronics Japan, Shinagawa, Tokyo, Japan, 2.Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, 3.Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital, Hokkaido, Japan, 4.Department of Radiology, Tokai University Hospital, Kanagawa, Japan, 5.Philips Healthcare, Asia Pacific, Shinagawa, Tokyo, Japan)

^○Osamu Togao¹, Akio Hiwatashi¹, Koji Yamashita¹, Daichi Momosaka¹, Makoto Obara², Marc Van Cauteren², Hiroshi Honda¹ (1.Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 2.Philips Electronics Japan)