Fig. 9From: MDCT and MRI evaluation of cervical spine traumaType II odontoid fracture. (a) Coronal and (b) sagittal MDCT images demonstrate minimally displaced fracture of the base of the odontoid process (white arrows). (c) Sagittal STIR image demonstrates high signal consistent with marrow oedema (black asterisk) and alar ligament injury (white arrow). Incidentally, there is protrusion of peg-shaped cerebellar tonsils below the foramen magnum (black arrow) consistent with a Chiari 1 malformationBack to article page