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GTR Home > Conditions/Phenotypes > Preaxial hand polydactyly

Preaxial hand polydactyly

Synonyms
FROMONT ANOMALY; Polydactyly, preaxial I; Thumb polydactyly
Modes of inheritance
Autosomal dominant inheritance (Orphanet)

Summary

Supernumerary digits located at the radial side of the hand. Polydactyly (supernumerary digits) involving the thumb occurs in many distinct forms of high variability and severity. Ranging from fleshy nubbins over varying degrees of partial duplication/splitting to completely duplicated or even triplicated thumbs or preaxial (on the radial side of the hand) supernumerary digits. [from HPO]

Available tests

15 tests are in the database for this condition.

Check Related conditions for additional relevant tests.

Clinical tests (15 available)

Molecular Genetics Tests

Genes See tests for all associated and related genes

  • Also known as: GLI, PAPA8, PPD1, GLI1
    Summary: GLI family zinc finger 1

Clinical features

Help
Imported from Human Phenotype Ontology (HPO)

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