Wassel classification for radial polydactyly
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- updated 6 Dec 2022:
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The Wassel classification system is used to classify pre-axial polydactyly, also called radial polydactyly.
The classification system is based on the type (bifid vs duplication) and level of duplication from distal to proximal.
I: bifid distal phalanx
II: duplicated distal phalanx
III: bifid proximal phalanx
IV: duplicated proximal phalanx
V: bifid metacarpal
VI: duplicated metacarpal
VII: triphalangism
-<p>The <strong>Wassel classification</strong> system is used to classify <a href="/articles/pre-axial-polydactyly">pre-axial polydactyly</a>, also called radial polydactyly.</p><p>The classification system is based on the level of duplication from distal to proximal.</p><ul>-<li>I: bifid distal phalanx</li>-<li>II: duplicated distal phalanx</li>-<li>III: bifid proximal phalanx</li>-<li>IV: duplicated proximal phalanx</li>-<li>V: bifid metacarpal</li>-<li>VI: duplicated metacarpal</li>-<li>VII: triphalangism</li>- +<p>The <strong>Wassel classification</strong> system is used to classify <a href="/articles/preaxial-polydactyly">pre-axial polydactyly</a>, also called radial polydactyly.</p><p>The classification system is based on the type (bifid vs duplication) and level of duplication from distal to proximal.</p><ul>
- +<li><p>I: bifid distal phalanx</p></li>
- +<li><p>II: duplicated distal phalanx</p></li>
- +<li><p>III: bifid proximal phalanx</p></li>
- +<li><p>IV: duplicated proximal phalanx</p></li>
- +<li><p>V: bifid metacarpal</p></li>
- +<li><p>VI: duplicated metacarpal</p></li>
- +<li><p>VII: triphalangism</p></li>
Images Changes:
Image 1 X-ray (Oblique) ( update )
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Case 1: Wassel 1type I
Image 2 X-ray (Frontal) ( create )
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Case 2: type IV
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