
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

Operative management
Indication
Fingers overlap
Primary clinodactyly
Osteotomy of P1
Secondary / Delta Phalanx
Resection of abnormal growth plate +/- fat graft
Osteotomy