DO_rare_slim NCIthesaurus syndrome Goldenhar syndrome GARD:6540 MESH:D006053 NCI:C84740 ICD10CM:Q87.0 ORDO:374 SNOMEDCT_US_2025_09_01:46567003 disease_ontology DOID:2907 UMLS_CUI:C0265240 A syndrome that is characterized by incomplete development of the ear, nose, soft palate, lip, and mandible. It is associated with anomalous development of the first branchial arch and second branchial arch. Facio-auriculo-vertebral spectrum First AND second branchial arch syndrome First arch syndrome HEMIFACIAL MICROSOMIA MIM:164210 OAV (oculoauriculovertebral) dysplasia OMIM mapping confirmed by DO. [SN]. Otomandibular dysostosis