title: Internal auditory canal meningocele-perilabyrinthine/translabyrinthine fistula: Case report and imaging.
abstract: The case of a 17-year-old patient with progressive unilateral sensorineural hearing loss and temporal bone malformations concerning for internal auditory canal meningocele with translabyrinthine/perilabyrinthine cerebrospinal fluid fistula is presented with associated computed tomography and magnetic resonance imaging. As the second reported case of an unruptured internal auditory canal meningocele with translabyrinthine/perilabyrinthine fistula, the case presents several clinically relevant points for otologists, neurotologists, and neuroradiologists. Although rare, it is an additional entity to consider as a cause of unilateral sensorineural hearing loss and may pose a risk for developing meningitis and possible "gushing" of cerebrospinal fluid should surgical intervention be attempted. Laryngoscope, 126:1931-1934, 2016.
authors.affiliation: Department of Otolaryngology, University of Michigan, Ann Arbor, Michigan.
authors.forename: Carl M
authors.initials: CM
authors.lastname: Truesdale
authors.affiliation: Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, U.S.A.
authors.forename: Ryan B
authors.initials: RB
authors.lastname: Peterson
authors.affiliation: Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, U.S.A.
authors.forename: Patricia A
authors.initials: PA
authors.lastname: Hudgins
authors.affiliation: Department of Otolaryngology, Emory University School of Medicine, Atlanta, Georgia, U.S.A.
authors.forename: Esther X
authors.initials: EX
authors.lastname: Vivas
mesh_terms: D000293:Adolescent; D002558:Cerebrospinal Fluid Otorrhea / Q000150:complications* / Q000000981:diagnostic imaging; D004427:Ear Diseases / Q000150:complications* / Q000000981:diagnostic imaging; D007758:Ear, Inner; D005402:Fistula / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008588:Meningocele / Q000150:complications* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed
keywords: CSF leak; Facial nerve; congenital hearing loss; cranial base; radiology; vestibular system