Here is a list of Syndromes related to Diseases of Bones and Joints. Crouzon Syndrome (or) Craniofacial Dysostosis: Prognathic mandible Hypoplastic maxilla High arched palate Parrot beak appearance Hypertelorism Apert Syndrome: Syndactyly involving hands and feet – mitten hands and soc feet It has many features similar to Crouzon syndrome Treacher Collins Syndrome or Mandibulofacial [&hellip