Clinodactyly


 

Definition

 

Clinodactyly is a fixed abnormal deviation of the finger

- in the coronal plane

- typically affects middle phalanx of the fifth finger

 

Normal if < 10-20°

 

Types

 

Primary
 

Secondary / Delta Phalanx 

- triangular or trapezoidal shaped P2

- abnormal C shaped epiphysis / growth plate

 

Delta phalanx

 

Operative management

 

Indication

 

Fingers overlap 

 

Primary clinodactyly

 

Osteotomy of P1

 

Secondary / Delta Phalanx

 

Resection of abnormal growth plate +/- fat graft

Osteotomy