Oral-facial-digital syndrome, type 4 is characterized by lingual hamartoma, postaxial polysyndactyly of hands and feet, and mesomelic shortening of the legs with supinate equinovarus feet. The disease is orofaciodigital syndrome IV (MONDO_0009794). Also known as: Baraitser-Burn syndrome, Mohr-Majewski syndrome, OFD4, oral-facial-digital syndrome type 4, orofaciodigital syndrome type 4, orofaciodigital syndrome type IV.