Triphalangeal thumb

Case contributed by Dr Hani Salam

The thumb demonstrates three phalanges. 

Case Discussion

Triphalangeal thumb is a form of pre-axial polydactyly with an incidence of 1 in 25,000. 

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Case information

rID: 10615
Published: 25th Aug 2010
Last edited: 7th Dec 2015
Inclusion in quiz mode: Included

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