[Soft tissue reconstruction for secondary deformity after correction of Wassel type IV-D thumb duplication].

Objective: To investigate an effective therapeutic method for the secondary deformity after the correction of the Wassel type IV thumb duplication.

Methods: 9 cases of Wassel W-D Complex thumb deformities in children with postoperative secondary deformity, including 6 males and 3 female, were treated. The age ranged from 2.