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Tuberosity fractures

Definition

Medial femoral condyle

Technique

Arthroscope in lateral portal

Clear fat pad

Ensure can see entire dimensions of OCD

If fragment is displaced, reduce and pin with accessory K wire

Epidemiology

Young men

Aetiology

FOOSH

- axial load, dorsiflexion and radial deviation

DISI occurs in ulna deviation

Herbert Classification

Type A    Stable acute fracture

A1 Tubercle

Mechanism

Usually a direct blow 

- less commonly a fall on the outstretched hand

RTA / sporting accidents commonest causes

Can be pathological as a result of radionecrosis

- eg following radiotherapy for breast cancer.  

Incidence

Fractures of the clavicle are common