聴力低下とめまいを主訴とした小脳梗塞の2例
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概要
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We report two cases of cerebellar infarction with dizziness and hearing loss. Case 1: A 72-year-old woman visited our hospital because of dizziness, right hearing loss and right tinnitus. Neuro-otological examination showed spontaneous and positional left-beating nystagmus. Audiography tracing showed sensorineural right ear hearing loss. We diagnosed right sudden deafness with vertigo and administered steroid, ATP, nicotinic acid and vitamin B12 in our hospital. During the treatment, symptom of ataxia was observed. MRI showed a cerebellar infarction in the AICA territory, so the patient was diagnosed with AICA syndrome. Dizziness and hearing loss were improved by both antithrombotic therapy and steroid treatment. Case 2: An 85-year-old man visited our hospital because of dizziness, right tinnitus, facial numbness and temporal pain. Neuro-otological examination did not show clear nystagmus. Audiography tracing showed sensorineural right ear hearing loss. MRI showed a cerebellar infarction in the AICA territory, so the patient was diagnosed with AICA syndrome and admitted to the neurosurgery department. The patient was administered a free radical scavenger, antithrombotic drug and vitamin B products, and his symptoms improved with treatment. Occasionally, it is difficult to distinguish AICA syndrome from inner ear disease, so the clinician must take careful notice of findings from past history, neurological signs and findings of nystagmus.
- 耳鼻咽喉科臨床学会の論文
耳鼻咽喉科臨床学会 | 論文
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