Radial head fracture: Mason type II
Awkward landing with weight transferred onto outstretched arm while playing badminton. Pain followed by restriction of terminal extension at the elbow.
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Mildly displaced (4 mm fracture gap) articular margin fracture of head of radius. Mildly displaced (2 mm) fracture of coronoid process of ulna. No significant radial shaft impaction. Preserved radiocapitellar and ulnotrochlear articulation. No supracondylar humeral fracture.
- 1. Iannuzzi, Nicholas P., and Seth S. Leopold. "In brief: the mason classification of radial head fractures." (2012): 1799-1802. Pubmed citation