Syndactyly type 6
ORPHA:295012· ICD-10 Q70.1
Definition
A rare non-syndromic syndactyly characterized by unilateral fusion of 2nd to 5th fingers, amalgamation of distal phalanges in a knot-like structure, and fusion of the 2nd and 3rd toe. Some individuals present only with webbing between the 2nd and 3rd toes, without involvement of fingers.