Syndactyly



10.1055/b-0034-97737

Syndactyly

Michael C. Nicoson & Thomas H. H. Tung
A 2-year-old boy presents to the clinic with fusion of the long and ring fingers.


Description




  • Complete, likely simple, syndactyly involving right long and ring fingers.



Work-up



History




  • Patient′s current hand function




    • Symmetric/asymmetric use of hands.



    • Grasping style.



  • Known medical comorbidities.



  • Family history of syndactyly or other associated condition (autosomal dominant or sporadic).



  • Difficulties during pregnancy.



Physical examination




  • Perform full body examination.




    • Other congenital anomalies may have not yet been diagnosed. Consider syndromic etiology if appropriate.



    • Evaluate feet to rule out additional digits with syndactyly.



  • Perform complete hand evaluation.




    • Assess for extent and location of webbing, as well as for the number of digits involved.




      • Assess for polydactyly.



      • Evaluate for digital deviation in the radial or ulnar plane (clinodactyly).



    • Examine contralateral hand for comparison.



    • Thoroughly evaluate entire upper extremity.



  • Classification




    • Simple/complex




      • Simple syndactyly: Finger fusion only by a skin bridge.



      • Complex syndactyly: Finger fusion involving bone connection.



    • Complete/incomplete




      • Complete syndactyly: Fusion involves entire length of the finger to distal tip, including nail fold.



      • Incomplete syndactyly: Fusion does not involve nail fold, but web depth is distal to normal position.



    • Complicated: Includes polydactyly.

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Jun 18, 2020 | Posted by in General Surgery | Comments Off on Syndactyly
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