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Neurotological evaluation of Harada's disease
1Department of Otorhinolaryngology, Yamaguchi University School of Medicine, Ube, Japan.
Acta Oto-Laryngologica. Supplementum
|January 1, 1995
Summary
Harada's disease, a condition affecting the inner ear, often presents with hearing loss and dizziness. This study proposes a new classification system for Harada's disease based on neurotological findings.
Area of Science:
- Neurology
- Ophthalmology
- Oto-neurology
Background:
- Harada's disease is an idiopathic, inflammatory, multisystemic disorder.
- Neuro-ophthalmological manifestations are common in Harada's disease.
Observation:
- Retrospective review of 30 patients (1980-1993) with Harada's disease.
- Preceding symptoms like headache or cold observed in 50% of patients.
- Cerebrospinal fluid pleocytosis found in 89% of patients.
Findings:
- 60% of patients reported cochlear and/or vestibular symptoms.
- Sensorineural hearing loss (< 40 dB) observed in 43 of 50 ears.
- Abnormal vestibular function tests in 77% of patients.
Implications:
- Suggests a new classification for Harada's disease based on neurotological findings.
- Proposed classification includes cochlear, peripheral vestibular, cochleovestibular, central, and unclassified types.
- Aims to better categorize Harada's disease presentations with auditory and balance symptoms.