Polysyndactyly 4
Polysyndactyly 4
Definition
Preaxial polydactyly characterized by the presence of a thumb showing the mildest degree of duplication, being broad, bifid or with radially deviated distal phalanx, occasional syndactyly of various degrees of third-and-fourth fingers, and duplication of part or all of the first or second toes and syndactyly.
Also known as polydactyly, preaxial type 4, polydactyly, preaxial, type IV, PPD4, preaxial polydactyly type 4 — per MONDO