title: Bilateral congenital oval window microfistulae in a mother and son.
abstract: This article details case histories of a son and his mother who were studied over a seven-year period before making the diagnosis of bilateral oval window microfistulae in both of them. The boy demonstrated a slowly progressive bilateral and symmetrical sensorineural hearing loss closely resembling that of his mother. The case reports emphasize their respective histories, diagnostic evaluation, surgical observations, and treatment.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D005260:Female; D005402:Fistula / Q000151:congenital / Q000175:diagnosis / Q000235:genetics* / Q000601:surgery; D005990:Glycerol; D006319:Hearing Loss, Sensorineural / Q000209:etiology; D006801:Humans; D008297:Male; D010046:Oval Window, Ear; D014722:Vestibule, Labyrinth
chemical_list: D005990:Glycerol