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Macrodactyly

  • Amit GuptaEmail author
  • Charity S. Burke
Reference work entry

Abstract

Macrodactyly is an extremely rare congenital anomaly causing either static or progressive overgrowth. This overgrowth can involve a single digit or an entire extremity. Macrodactyly can be an isolated phenomenon or part of a syndrome. The exact cause of this overgrowth remains unknown, but there are continued studies at the molecular level to determine a common pathway to link all types of macrodactyly.

The treatment options at this time are observation if the overgrowth is static and not causing functional impairment, or surgical to try to improve function and cosmesis. Splinting and therapy may be attempted, but there is no evidence to support their use. Surgical options range from nerve decompression, epiphysiodesis, debulking, terminalization, middle phalangectomy, osteotomies, and amputation. If the amputation involves the thumb, then pollicization may be considered.

There is no standardized tool to evaluate surgical outcomes for surgery treating macrodactyly. The condition is so rare, and varies so widely from case to case, that it remains one of the most challenging congenital hand anomalies that pediatric hand surgeons face.

Keywords

Proximal Phalanx Distal Phalanx Plexiform Neurofibroma Compressive Neuropathy Proteus Syndrome 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Supplementary material

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Department of Orthopaedic SurgeryUniversity of LouisvilleLouisvilleUSA
  2. 2.Louisville Arm and HandNorton Orthopaedic CareLouisvilleUSA

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