Multiple synostoses syndrome
Multiple synostoses syndrome
Definition
Multiple synostoses syndrome (MSS) is a rare developmental bone disorder characterized by proximal symphalangism of the fingers and/or toes often associated with fusion of carpal and tarsal, humeroradial, and cervical spine joints.
Also known as deafness-Hermann type symphalangism syndrome, facio-audio-symphalangism, symphalangism-brachydactyly syndrome, WL syndrome — per MONDO