Olecranon fracture Colton Classification

Colton Classification of Olecranon Fractures
Nondisplaced
or displacement less than 2 mm
Displacement does not increase with elbow flexion
Elbow extensor mechanism remains intact
Displaced A Avulsion Fractures
B Oblique or Transverse Fractures
C Comminuted
D Fracture Dislocations

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