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Vestibuloneuritis Developed Concurrently in Ipsilateral Site with Herpes-Zoster Oticus Syndrome
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Gyu Cheol Han, Ju Hyoung Lee, Joo Hyun Woo, Jung Kook Yoo, Sun Hwa Lim
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J Korean Bal Soc. 2004;3(1):187-191.
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Abstract
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- Background
: Acute vestibular neuronitis is the disease of which the etiology and pathophysiology are largely
unknown . But the viral infection and ischemia of the labyrinth and the vestibular nerve are considered as general
etiology. This study was performed to support the viral infection rather than the ischemic theory.
Materials & Methods : We studied seventy years old female patient who showed painful vesicles on left auricle
and vertigo with spontaneous nystagmus to the right side. We performed physical examination, serologic test, ENG test,
pure tone audiogram, brain magnetic resonance imaging and polymerase chain reaction.
Results : We found small vesicles and vascular injection in left EAC, herpes zoster IgG positive, spontaneous right
beating in electronystagmograpy, 54% left canal paresis in Caloric test , decreasing left side Tc in velocity step rotatory
test, decresed gain, deviation to left in symmetry and phase lead in sinusoidal harmonic acceleration test, normal range
hearing in pure tone audiogram, microangiopathy on cortex in brain MRI and negative PCR.
Conclusion : This case supports viral infection etiology rather than ischemia in vestibular neuritis. But more studies
to find the etiology of vestibular neuronitis are required.
Key Words : Herpes zoster oticus, Vestibular neuronitis.
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