Abstract
A method of surgical correction is described for Wartenberg’s sign, or persistent abduction of the little finger, using a slip of the extensor digitorum communis of the ring finger. The transferred component can be either the central slip, or the ulnar slip extended by the connexus intertendineus to the little finger.
This technique maintains the integrity of the extensor mechanism of the little finger, avoiding loss of active extension, which is frequently observed when extensor digiti minimi is used. The donor site is dependable since the extensor digitorum communis tendon of the ring finger is always composed of several slips.
This technique should be considered only in cases of isolated persistent abduction of the little finger, when there is no claw deformity.
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