branchio-oto-renal syndrome /brang′kē·ō·ō′tō·rē′nəl/ [Gk, branchia, gills + ous, ear + L, ren, kidney] , branchial arch anomalies (preauricular pits, branchial fistulas or pits) associated with congenital deafness resulting from dysgenesis of the organ of Corti, and with renal dysplasia. It is inherited as an autosomal-dominant trait with high penetrance and variable expression.
