Retropharyngeal hematomas.
D000293:Adolescent; D000368:Aged; D002574:Cervical Vertebrae / Q000293:injuries; D006406:Hematoma / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D010614:Pharynx / Q000293:injuries*; D011859:Radiography; D013124:Spinal Injuries / Q000150:complications