Conditions / Genetic
syndactyly type 4
info · Genetic
A syndactyly characterized by complete bilateral syndactyly involving all digits 1 to 5 that has_material_basis_in heterozygous mutation of a SHH regulatory element in intron 5 of the LMBR1 gene on chromosome 7q36.3.
Signs and symptoms
- Triphalangeal thumb
- Postaxial polydactyly
- 1-5 finger cutaneous syndactyly
- 1-5 finger complete cutaneous syndactyly
- Supernumerary metacarpal bones
- 2-3 toe syndactyly
- Polydactyly
- 6 metacarpals
Also known as: Haas type syndactyly; SDTY4; polysyndactyly, Haas type