Treatment of a symptomatic trapezial dysplasia with metacarpal instability following thumb metacarpal lengthening with an addition-subtraction osteotomy Vrije Universiteit Brussel
The most important problem of trapezial dysplasia with thumb metacarpal instability is of bony origin. Together with the progressive capsuloligamentous decompensation it evolves in a progressive adduction deformity of the thumb metacarpal secondary to the dysplasia of the trapezium with its increased articular slope. The addition-subtraction osteotomy restores the anatomy combining two techniques: an abduction-extension osteotomy of the first ...