Congenital fistula in the stapedial footplate.
D002558:Cerebrospinal Fluid Otorrhea / Q000209:etiology* / Q000601:surgery; D002675:Child, Preschool; D004429:Ear Ossicles / Q000002:abnormalities* / Q000473:pathology; D005402:Fistula / Q000151:congenital*; D006801:Humans; D007759:Labyrinth Diseases / Q000151:congenital*; D007761:Labyrinthine Fluids; D008297:Male; D008581:Meningitis / Q000209:etiology; D010784:Photomicrography; D013201:Stapes Surgery