Cleft Hand

Definition

 

Longitudinal failure of formation of central 3 rays

 

Aetiology

 

Most unilateral & sporadic

Some bilateral & AD

Rare

 

Two types

 

1.  Typical 

- long ray only absent

 

2.  Atypical 

- middle three rays absent

 

Management

 

Function often good

- surgery often not required

- occasionally cleft closure undertaken