Figure 3.

Traumatic pathology of the cervical spine. (A) The 5 normal lines to check in lateral radiographs of the cervical spine; (B) the same patient of A after a car crash suffered a fracture of the C2 pedicles (hangman’s fracture) and radiography shows the anterior displacement of the C2 vertebral body and atlas (arrows); (C) C3 burst fracture with disruption of the posterior vertebral and spinolaminar lines (arrows); (D) lateral radiographs showing loss of the normal crescent shape of the anterior arc of the atlas in a patient with rotatory subluxation of the atlas (arrow).