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Related Experiment Video

Updated: Apr 6, 2026

In Vivo Morphometric Analysis of Human Cranial Nerves Using Magnetic Resonance Imaging in Menière's Disease Ears and Normal Hearing Ears

In Vivo Morphometric Analysis of Human Cranial Nerves Using Magnetic Resonance Imaging in Menière's Disease Ears and Normal Hearing Ears

Published on: February 21, 2018

Vestibular function and temporal bone imaging in DFNB1.

A M M Oonk¹, A J Beynon², T A Peters³

¹Department of Otorhinolaryngology, Hearing & Genes, Radboud University Medical Center, P.O. Box 9101, 6500 HB, Nijmegen, The Netherlands; Radboud Institute for Health Sciences, P.O. Box 9101, 6500 HB, Nijmegen, The Netherlands.

Hearing Research

|July 19, 2015

Summary

This summary is machine-generated.

Hereditary hearing impairment (DFNB1) is common, but its vestibular and imaging features are unclear. This study found DFNB1 is not linked to vestibular dysfunction or specific temporal bone anomalies in the largest patient group evaluated.

Keywords:

DFNB1 Temporal bone imaging Vestibular function

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Area of Science:

Genetics and Audiology
Otolaryngology

Background:

DFNB1 represents the most common form of hereditary hearing impairment, characterized by a heterogeneous audiometric phenotype.
Existing literature lacks consensus regarding the specific vestibular and imaging characteristics associated with DFNB1.

Purpose of the Study:

To evaluate the vestibular function and temporal bone imaging findings in a cohort of 44 patients with DFNB1.
To determine if DFNB1 is associated with vestibular dysfunction or specific temporal bone anomalies.

Main Methods:

Retrospective study analyzing vestibular function tests (rotational velocity step testing, caloric testing, video head impulse test) and temporal bone CT scans.
Evaluation of 44 patients diagnosed with DFNB1.

Main Results:

All patients demonstrated responses during rotational velocity step testing.
Caloric test results were within normal limits bilaterally in 65% of cases.
Video head impulse tests were normal in all patients; 34.4% of CT scans revealed temporal bone anomalies, with no clear genotype-specific links.

Conclusions:

The findings suggest that DFNB1 is not typically associated with vestibular dysfunction.
No specific temporal bone anomalies were convincingly linked to DFNB1 genotype in this cohort.
This study represents the largest group of DFNB1 patients evaluated for vestibular function to date.