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Anterior Inferior cerebellar artery infarction misdiagnosed as inner ear disease. Objective: The clinical presentation of anterior inferior cerebellar artery (AICA) infarction may mimic that of inner ear disease.
Methodology: This report presents two patients with cerebellar artery infarction initially misdiagnosed with inner ear disease.
Case Report: Both the patients presented with sudden hearing loss and vertigo. The patient in case 1 was initially diagnosed with idiopathic sudden sensorineural hearing loss. The patient in case 2 presented with 17 days of vertigo and hearing loss. Both were correctly diagnosed with AICA infarction after performing magnetic resonance imaging. Results and
Conclusions: We differentiated AICA from inner ear disease based on the variability in degree and frequency range of hearing loss, the duration of vertigo, and the manifestation of nystagmus. Because cases of AICA infarction and inner ear disease may present with similar symptoms, a detailed examination including clinical course assessments, laboratory findings, and neurological imaging is essential for appropriate diagnosis and treatment.