Hand and foot polydactyly and complete pseudoepiphyses of the first metacarpal bone

Case contributed by Dr Mohamed Hossam el Deen


Supernumerary fingers and toes since birth, the only complaint is cosmetic .

Patient Data

Age: 11
Gender: Male

X ray radiograph, there is postaxial polydactyly , the fifth and sixth metacarpal bones are fused at the base.

- The x ray radiograph shows accessory supernumerary digit , this sixth finger shows three phalangeal bones and extral metacarpal bone. The sixth metacarpal bone and  proximal phalanx of fifth finger have the same articulation with fifth metacarpal bone by the same secondary ossification center.

- The thumb finger shows complete pseudoepiphyses, in which the cleft extended across the full width of the first metacarpal bone.

Case Discussion

Postaxial polydactyly is the most common type of polydactyly. Associated complete pseudoepiphyses of the first metacarpal bone is an uncommon finding.

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Case information

rID: 39531
Case created: 8th Sep 2015
Last edited: 4th Dec 2016
Inclusion in quiz mode: Included

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