Hironobu Hata¹, Tomoka Kitao², Takuya Asaka³, Jun Satou³, Masaaki Miyakoshi³, Noritaka Ohga³, Kenji Imamachi^1,3, Kenji Hirata⁴, Tohru Shiga⁴, Yoshimasa Kitagawa³ (1.Department of Dentitry and oral surgery Hokkaido Cancer Center, National Hospital Organization, Sapporo, Japan, 2.Dpartment of Diagnostic Radiology, Hokkaido Cancer Center, National Hospital Organization, Sapporo, Japan, 3.Oral Diagnosis and Medicine, Department of Oral Pathobiological Science, Faculty of Dental Medicine, Hokkaido University, Sapporo Japan, 4.Nuclear Medicine, Graduate School of Medicine, Hokkaido University, Sapporo, Japan)

Takeshi Murano¹, jun Takita², Yasutake Ishikawa², Kenta Hiroi², Toshihiro Ishihara², kannyuu Ihara², Tomohiko Aso² (1.Department of Radiology, National Hospital Organization Chiba Medical Center, Chiba, Japan, 2.Department of Radiation (Diagnosis), National Cancer Center Hospital, Tokyo, Japan)

Mirei Watanabe¹, Hiroki Kato¹, Fuzuki Yano¹, Keiko Matsunaga², Tadashi Watabe¹, Mitsuaki Tatsumi⁴, Eku Shimosegawa², Jun Hatazawa¹, Kenichirou Hamada³ (1.Department of Nuclear Medicine and Tracer Kinetics,Osaka University Graduate School of Medicine,Osaka,Japan, 2.Department of Molecular Imaging in Medicine,Osaka University Graduate School of Medicine,Osaka,Japan, 3.Orthopedics,Osaka University Graduate School of Medicine,Osaka,Japan, 4.Diagnostic and Interventional Radiology,Osaka University Graduate School of Medicine,Osaka,Japan)

Yoshitake Takahashi¹, Atsushi Nishihara², Naofumi Yoshizawa², Youichi Ishibe³, Mana Yoshimura¹ (1.Department of Radiology,Tokyo Medical University/Tokyo,Japan, 2.Department of Radiology-MR,Mizushima Kyodo Hospital/Kurashiki, Japan, 3.Department of Surgery, Mizushima Kyodo Hospital/Kurashiki, Japan)

Sakurako Asai¹, Shin Nakamura¹, Akira Toriihara², Ukihide Tateishi², Tohru Kurabayashi¹ (1.Oral and Maxillofacial Radiology, Graduate school, Tokyo Medical and Dental University, Tokyo, Japan, 2.Diagnostic Radiology and Nuclear Medicine, Graduate school, Tokyo Medical and Dental University, Tokyo, Japan)

Taro Okui¹, Yoshikazu Kobayashi¹, Koji Satoh¹, Daisuke Kanamori², Hiroshi Toyama³, Naoko Fujii⁴, Masakazu Tsujimoto⁵, Atsushi Teramoto⁶, Koichiro Matsuo¹ (1.Depertment of Dentistry and Oral-Maxillofacial Surgery, Fujita Health University, School of Medicine, Aichi Japan, 2.Depertment of Dentistry , Fujita Health University Nanakuri Memorial Hospital, Mie Japan, 3.Depertment of Radiology, Fujita Health Universit,y School of Medicine, Aichi Japan, 4.Depertment of Radiology, Fujita Health University Banbuntane Hotokukai Hospital, Aichi Japan, 5.Depertment of Radiology, Fujita Health University Hospital, Aichi Japan, 6.Depertment of Radiology, Fujita Health University, School of Helth Sciences, Aichi Japan)

Yu-Ching Hsu, Jian-Guo Liao, Pao-Liang Chen, Tzyy-Ling Chuang, Yuh-Feng Wang (Department of Nuclear Medicine, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi, Taiwan.)