Table 1 Classification: Types I to VII based on level of duplications
- I: bifid distal phalanx |
- II: duplicated distal phalanx |
- III: bifid proximal phalanx |
- IV: duplication of proximal phalanx which rest on broad metacarpal |
- V: bifid metacarpal |
- VI: duplicated metacarpal |
- VII: triphalangism |