6p22 microdeletion syndrome is a newly described syndrome associated with a variable clinical phenotype including developmental delay, facial dysmorphism, short neck and diverse malformations.

Webbing or fusion of the fingers, involving soft parts only or including bone structure. Bony fusions are referred to as \"bony\" Syndactyly if the fusion occurs in a radio-ulnar axis. Fusions of bones of the fingers in a proximo-distal axis are referred to as \"Symphalangism\".