Thumb and index finger macrodactyly with first carpometacarpal and scaphotrapezotrapezoidal joints fusion: inevitable consequence?

Description

Macrodactyly is a descriptive term used for a rare anomaly of disproportionately large digit noted at birth or that develops within the first years of life. The soft tissue and skeletal elements are diffusely enlarged in the affected digit or digits.12 Most cases appear sporadically without evidence of inheritance. The anomaly is generally unilateral and may affect more than one digit, when the thumb involved, it assumes an abducted and extended attitude. The bony growth continues until physeal closure; however, soft tissue enlargement may continue into adulthood. The enlarged digits stiffen during growth, which further limits function as the enlarged digit or digits often obstruct grasp and pinch. Patients are usually initially evaluated in childhood with indications for surgery based on functional and aesthetic grounds. Macrodactyly's management is very challenging due to its progressive and diffuse nature preventing complete correction to normal....

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