title: [Etiology of labyrinthine perilymphatic fistula].
abstract: The examination of 120 patients with verified labyrinthine fistulas (LFs) has demonstrated that perilymphatic LFs most often are caused by rupture of the cochlear window's membrane (54%). Among other reasons were broken base of the stapes (6%), the defect in the area of both windows (17%), rupture of the annular ligament of the stapes (15%), defects in the area of semicircular canals. Incompetence of the stapedial piston prosthesis is documented.
authors.forename: Iu K
authors.initials: IuK
authors.lastname: Ianov
authors.forename: V I
authors.initials: VI
authors.lastname: Egorov
mesh_terms: D000328:Adult; D003052:Cochlear Aqueduct / Q000503:physiopathology*; D005260:Female; D005402:Fistula / Q000209:etiology* / Q000503:physiopathology*; D006801:Humans; D007759:Labyrinth Diseases / Q000209:etiology* / Q000503:physiopathology*; D008297:Male