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

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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… Click to show full abstract

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.1 ,2 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 …

Keywords: thumb; thumb index; first carpometacarpal; index finger; macrodactyly first; finger macrodactyly

Journal Title: BMJ Case Reports
Year Published: 2017

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