Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

When paroxysmal positioning vertigo isn't benign

G P Jacobson1, J A Butcher, C W Newman

  • 1Department of Otolaryngology-Head and Neck Surgery, Henry Ford Hospital, Detroit, Michigan 48202, USA.

Journal of the American Academy of Audiology
|July 1, 1995
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The caloric irrigation test.

Handbook of clinical neurology·2016
Same author

Evaluation of a capacity building clinical educational model for oral health clinicians treating very young children.

Community dental health·2014
Same author

Changes caused by genotype and environmental conditions in beta-glucan content of spring barley for dietetically beneficial human nutrition.

Plant foods for human nutrition (Dordrecht, Netherlands)·2008
Same author

Assessment of tinnitus: measurement of treatment outcomes.

Progress in brain research·2007
Same author

Effect of cultivar, year grown, and cropping system on the content of tocopherols and tocotrienols in grains of hulled and hulless barley.

Plant foods for human nutrition (Dordrecht, Netherlands)·2006
Same author

Effect of a barley breakfast cereal on blood glucose and insulin response in normal and diabetic patients.

Plant foods for human nutrition (Dordrecht, Netherlands)·2005
Same journal

American Academy of Audiology Health-Related Quality of Life Benefits of Amplification for Adults with Sensorineural Hearing Loss: A Systematic Review Protocol.

Journal of the American Academy of Audiology·2026
Same journal

Evidence Synthesis and Open Science: A Tutorial for Systematic Reviews and Beyond in Audiology Research.

Journal of the American Academy of Audiology·2026
Same journal

State and Trait Anxiety Alter Postural Control in Healthy Adults.

Journal of the American Academy of Audiology·2026
Same journal

Differentiating Superior and Inferior Vestibular Neuritis: Insights from an Integrated VEMP and vHIT Assessment.

Journal of the American Academy of Audiology·2026
Same journal

Test-Retest Reliability of the Triangle Completion Test.

Journal of the American Academy of Audiology·2026
Same journal

Feasibility in Recording Vestibular Evoked Myogenic Potentials from the Gastrocnemius Muscles Using Acoustic Stimulation.

Journal of the American Academy of Audiology·2026
See all related articles

A rare case of vestibular schwannoma presented with unusual downbeating nystagmus during the Dix-Hallpike maneuver. This finding highlights the diagnostic importance of specific nystagmus patterns in neurotological assessments.

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Audiology

Background:

  • Vestibular schwannomas are tumors that develop on the vestibulocochlear nerve, affecting balance and hearing.
  • The Dix-Hallpike maneuver is a diagnostic test used to identify benign paroxysmal positional vertigo (BPPV).
  • Electronystagmography and auditory brainstem response are key audiological and neurophysiological tests.

Observation:

  • A 33-year-old male with a left vestibular schwannoma exhibited unique nystagmus during the Dix-Hallpike maneuver.
  • The nystagmus was immediate, non-fatigable, and predominantly downbeating vertical in the right head-hanging position.
  • The patient reported vertical bobbing and dysphoria, but not rotational vertigo, during the maneuver.

Findings:

  • Magnetic resonance imaging confirmed a 3.5 cm left vestibular schwannoma.

Related Experiment Videos

  • The observed downbeating nystagmus is an atypical response to the Dix-Hallpike maneuver in this context.
  • The nystagmus characteristics suggest a central or atypical peripheral vestibular system involvement.

    • Implications:

    • This case underscores the diagnostic significance of identifying unusual nystagmus patterns, such as downbeating vertical nystagmus, during positional testing.
    • Such findings can aid in the diagnosis and localization of vestibular schwannomas and other central nervous system disorders.
    • Further research into the neurophysiological basis of atypical nystagmus in vestibular schwannoma patients is warranted.