Bilateral Sensorineural Hearing Loss Related to a Skull Base Spontaneous Cerebrospinal Fluid Leak: A Case Report and Literature Review

Author:

Gaini Lorenzo Maria1ORCID,Battilocchi Ludovica12,Conte Giorgio34,Gaffuri Michele12,Zanetti Diego25,Pignataro Lorenzo12,Torretta Sara12ORCID

Affiliation:

1. Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Department of Otolaryngology and Head and Neck Surgery, Milan, Italy

2. Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy

3. Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neuroradiology Unit, Milan, Italy

4. University of Milan, Department of Medical-Surgical Physiopathology and Transplantation, Milan, Italy

5. Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Audiology Unit, Milan, Italy

Abstract

Spontaneous intracranial hypotension (SIH) is a rare condition characterized by orthostatic headache, pulsatile tinnitus, vertigo, nausea, and fluctuating hearing loss; this latter seems to be due to the development of cochlear endolymphatic hydrops following negative cerebrospinal fluid (CSF) pressure transmitted to the perilymphatic space through a patent cochlear aqueduct. We here describe a case of bilateral progressive sensorineural hearing loss (SNHL) due to intracranial hypotension caused by an undiagnosed spontaneous CSF leak from a skull base defect in a middle-aged woman. To the best of our knowledge, this is the first report describing a SNHL in a patient affected by SIH secondary to sphenoidal CSF leak.

Funder

Ministry of Italian Health

Publisher

SAGE Publications

Subject

Otorhinolaryngology

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