Presentation
Hand deformity.
Patient Data
Age: 13 months
Gender: Female
From the case:
Post axial polydactyly
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There is an additional digit at the MTP joint towards the little toe.
Case Discussion
Radiographic feature of a post-axial polydactyly type A according to Temtamy and McKusick classification.
Post-axial polydactyly refers to polydactyly where the additional digit is lateral to the 5th (little) toe.
Post-axial polydactyly is more common than preaxial polydactyly.
Post-axial polydactyly can be associated with trisomy 13, Bardet-Biedl syndrome, Meckel Gruber syndrome, McKusick-Kaufman syndrome and some other abnormalities.
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