Radiographic evaluation of the prevertebral space.
D002114:Calcinosis / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D004424:Ear Canal / Q000000981:diagnostic imaging; D004427:Ear Diseases / Q000175:diagnosis; D004947:Esophagus / Q000000981:diagnostic imaging; D006258:Head and Neck Neoplasms / Q000175:diagnosis; D018219:Histiocytoma, Benign Fibrous / Q000000981:diagnostic imaging; D006801:Humans; D009333:Neck / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D011859:Radiography; D013131:Spine / Q000000981:diagnostic imaging*