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Case 57

Clinodactyly

Trauma to the hand

This 6 year old girl presented to the casualty department having trapped her left little finger in a car door. The finger was a little swollen and tender.

The relevant part of the film (the little finger) has been enlarged.

Findings

The middle phalanx of the left hand is fragmented, but well corticated, with no evidence of an acute fracture. This impression was confirmed on the X-ray of both hands; the appearance is similar in the uninjured right hand.

Diagnosis

Clinodactyly

Discussion

This is an unusual appearance of clinodactyly, a curvature of the finger in the mediolateral plane, sometimes a normal variant, as in this case, but also associated with Down's syndrome and multiple dysplasia.

A similar case appears in Keat's Atlas of normal variants that may simulate disease, 5th Ed, p 480).

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