Affiliation: | ∗ Resident, Department of Radiology, Ninth People''s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China;† Resident, Department of Oral and Maxillofacial Surgery, Ninth People''s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China;‡ Professor, Department of Radiology, Ninth People''s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China |