Capitohamate coalition

Last revised by Yuranga Weerakkody on 19 May 2023

Capitohamate coalition represents the congenital fusion of the capitate and the hamate. It is the second most common type of carpal coalition after lunotriquetral coalition. It represents ~5% of all carpal fusions 1 and is associated with Apert syndrome 2.

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Cases and figures

  • Case 1
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  • Case 2: bilateral
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  • Case 3: with syndactyly
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  • Case 4
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  • Case 5: with concurrent lunotriquetral coalition
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  • Case 6: bilateral with psoriatic arthritis
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  • Case 7: bilateral
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