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 |
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I | Distal phalanx |
II | Interphalangeal joint |
III | Proximal phalanx |
IV | Metacarpophalangeal joint |
V | Metacarpal |
VI | Carpometacarpal joint |
VII | Triphalangia |
References
- ^ "Orthobullets". Retrieved 27 October 2014.
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Congenital malformations and deformations of musculoskeletal system / musculoskeletal abnormality
limb / dysmelia
Arms |
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Leg |
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Either / both |
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Skull and face |
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Vertebral column | |||||||
Thoracic skeleton |
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