Posttraumatic Atlantoaxial Rotatory Dislocation in a Healthy Adult Patient: A Case Report and Review of the Literature

Table 2

Classification of transverse ligament injuries by Dickman et al. [45].

Type	Injury of transverse ligament
Type I	Disruption of ligament substance
	(A) Midportion
	(B) Periosteal insertion
Type II	Disconnection of the tubercle of insertion from the C1 lateral mass
	(A) Comminuted fracture of C1 lateral mass
	(B) Avulsion with an intact C1 lateral mass