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. 2008 Jan 3;466(1):130–134. doi: 10.1007/s11999-007-0064-8

Table 2.

Comprehensive classification of radial head fracture with description of associated injuries*

Radial head fracture (Mason) type Associated injury suffixes
I–III Articular injuries c = coronoid fracture
o = olecranon fracture
Ligamentous injuries m = medial collateral ligament
l = lateral collateral ligament
d = distal radioulnar disruption

* The suffixes are used in the order shown (for examples, see Figs. 1 and 2).