Fracture coronoid process
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Fracture of the coronoid process throughout its base (type 3) associated with small fracture of the radial head. Minimal amount of haemarthrosis is noted as well.
Three sub-types of Coronoid process fractures are identified.
- type 1: coronoid process tip avulsion.
- type 2: fracture of <50% of the coronoid process.
- type 3: fracture of >50% of the coronoid process.
Note that the fractured coronoid process in the case is associated with fracture of the radial head. The absence of dislocated elbow excludes the horrible triad of the elbow.