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Updated: Jan 30, 2026

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
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Vestibular atelectasis: Myth or reality?

Michael Eliezer1, Arnaud Attyé1,2, Jean-Pierre Guichard1

  • 1Department of Neuroradiology, Lariboisière University Hospital, Paris, France.

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|January 12, 2019
PubMed
Summary
This summary is machine-generated.

Vestibular atelectasis (VA) can cause unilateral collapse of the inner ear's superior portion, specifically the utricle and ampullas. Delayed MRI imaging confirms this collapse in patients with vestibular deficit.

Keywords:
Magnetic resonance imagingvestibular atelectasisvestibular neuritis

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Area of Science:

  • Otolaryngology
  • Neuroimaging
  • Vestibular System

Background:

  • Vestibular atelectasis (VA) is a condition affecting the inner ear.
  • Delayed post-contrast 3D FLAIR MRI sequences can differentiate between the utricle and saccule.

Purpose of the Study:

  • To investigate the hypothesis that VA patients exhibit unilateral collapse of the utricle and ampullas on MRI.
  • To correlate imaging findings with clinical presentations of vestibular deficit.

Main Methods:

  • Retrospective review of 200 patients undergoing 3T MRI with gadolinium contrast.
  • Assessment of MRI scans for VA, defined by non-visualization or poor visualization of the utricle and at least two ampullas.

Main Results:

  • Four patients with VA presented with atypical acute vestibular deficit.
  • MRI and clinical findings confirmed specific involvement of the pars superior (utricle, ampullas) while sparing the pars inferior (cochlea, saccule).

Conclusions:

  • This study is the first to demonstrate in vivo unilateral collapse of the pars superior on delayed postcontrast MRI in patients with unilateral vestibular loss.
  • Delayed MRI is a valuable tool for diagnosing VA and understanding its impact on the vestibular system.