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Laryngoscope. 2016 Aug;126(8):1931-4. doi: 10.1002/lary.25787. Epub 2015 Dec 9.

Internal auditory canal meningocele-perilabyrinthine/translabyrinthine fistula: Case report and imaging.

Author information

1
Department of Otolaryngology, University of Michigan, Ann Arbor, Michigan.
2
Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, U.S.A.
3
Department of Otolaryngology, Emory University School of Medicine, Atlanta, Georgia, U.S.A.

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.

KEYWORDS:

CSF leak; Facial nerve; congenital hearing loss; cranial base; radiology; vestibular system

PMID:
26651061
DOI:
10.1002/lary.25787
[Indexed for MEDLINE]
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