Ankle fracture

 Classification

The Lauge-Hansen classification system

Mechanism of injury-based scheme

1st : Position of foot at the time of injury

2nd : Direction of deforming forces

SER, SA, PER, PA * S-supination, P-pronation, Ad-adduction, Ab-abduction


The Danis-Weber classification system

Location of fibular fracture lines based 

in relation to the level of the syndesmosis


AO-OTA classification


Lauge-Hansen Classification

Lauge-Hansen classification – SER 

Danis-Weber Classification

Type A : Infrasyndesmotic

A1: isolated

A2: with fracture of medial malleolus

A3: with a posteromedial fracture

Type B : Transsyndesmotic

B1: isolated

B2: with medial lesion (malleolus or ligament)

B3: with a medial lesion and fracture of posterolateral tibia

Type C : Suprasyndesmotic

C1: fracture of the fibula, simple

C2: diaphyseal fracture of the fibula, complex

C3: proximal fracture of the fibula

Ankle fracture treatment algorithm

Treatment 

Operative Treatment Indications

Obvious instability

Failure to hold a reduction in a cast

Syndesmosis diastasis

Articular surface incongruity

Comminution at the medial axilla of the joint

Large displaced medial malleolar fractures



Classification
Lauge-Hansen classification
Lauge-Hansen classification
Danis-Weber classification
Treatment algorithm
Treatment

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