Wassel classification
The Wassel classification is used to categorise radial polydactyly, based upon the most proximal level of skeletal duplication.[1]
Classification
Type | Level of duplication |
---|---|
I | Distal phalanx |
II | Interphalangeal joint |
III | Proximal phalanx |
IV | Metacarpophalangeal joint |
V | Metacarpal |
VI | Carpometacarpal joint |
VII | Triphalangia |
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References
- "Orthobullets". Retrieved 27 October 2014.
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