Monarch Disease Ontology term MONDO_0012209 (branchiogenic deafness syndrome) is a multiple congenital anomalies syndrome, described in one family to date, characterized by branchial cysts or fistulae; ear malformations; congenital hearing loss (conductive, sensorineural, and mixed); internal auditory canal hypoplasia; strabismus; trismus; abnormal fifth fingers; vitiliginous lesions, short stature; and mild learning disability. Renal and uretral abnormalities are absent. Also known as: MC)garbanC)-Loiselet syndrome, Mégarbané-Loiselet syndrome.