Current concepts in the management of radial head fractures

Table 1 Classification and description of radial head fractures

Description of classification according to various authors
Type	Mason	Johnston	Hotchkiss	Broberg and Morrey	Rineer
I	Without displacement	Without displacement	< 2 mm dislocation	< 2 mm dislocation
II	With displacement	With displacement	> 2 mm dislocation	> 2-3 mm dislocation and involves > 30% of radial head	Cortical contact between fragments
					> stable
					No cortical contact between fragments
					> unstable
III	Comminuted	Comminuted	Comminuted	Comminuted
IV	-	Fracture associated with dislocation of the elbow		Fracture associated with dislocation of the elbow