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Related Experiment Video

Updated: May 12, 2026

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

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Vestibular function in superficial siderosis.

Toru Miwa¹, Ryosei Minoda¹, Hidetake Matsuyoshi²

¹Department of Otolaryngology and Head and Neck Surgery, Kumamoto University, 1-1-1 Honjo, Kumamoto, Japan.

BMC Ear, Nose, and Throat Disorders

|April 27, 2013

Summary

This summary is machine-generated.

Superficial siderosis (SS) affects vestibular function, particularly the saccule-inferior vestibular nerve. Early stages show preserved function, which diminishes over time in patients with this iron deposition disorder.

Keywords:

Clinical neurology examination Hemosiderin Superficial siderosis Vertigo Vestibular function

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Published on: May 23, 2013

Area of Science:

Neurology
Oto-neurology

Background:

Superficial siderosis (SS) involves iron deposition on the brain surface from subarachnoid bleeding.
Clinical signs include hearing loss, ataxia, and pyramidal deficits, but vestibular mechanisms remain unclear.

Purpose of the Study:

To investigate peripheral vestibular function in patients with superficial siderosis.
To elucidate the role of the saccule-inferior vestibular nerve in SS.

Main Methods:

Analyzed data from 5 patients diagnosed with SS via MRI over 9 years.
Performed balance testing, including Vestibular Evoked Myogenic Potential (VEMP) assessments.

Main Results:

VEMP responses were present in patients with shorter SS duration.
VEMP responses tended to decrease or become absent with longer disease duration.

Conclusions:

Saccule-inferior vestibular function is preserved in early stages of superficial siderosis.
Findings suggest a progressive decline in saccule-inferior vestibular function over time in SS.