Presentation
trauma
Patient Data
Transverse fracture of the olecranon process with a gap as well as comminution of the displaced fragment. No involvement of the coronoid process. Findings are consistent with type IIb fractured olecranon.
Mild edema of the subcutaneous tissues overlying the posterior aspect of the elbow.
Case Discussion
Olecranon fractures are classified:
Type I: nondisplaced or minimally displaced.
Type IA: noncomminuted
Type IB: comminuted
Type II: displaced proximal fragment without instability
Type IIA: no comminution with displacement
Type IIB: comminuted with displacement
Type III: Unstable ulnohumeral joint.
Type IIIA: no comminution.
Type IIIB: comminuted.