What question did this study set out to answer?

To highlight the presentation of isolated anterior inferior cerebellar artery dissection as otological symptoms without evident brainstem infarction.

April 10, 2026Open Access

Ischemic cerebellar infarction due to isolated anterior inferior cerebellar artery dissection mimicking peripheral otological symptoms: illustrative case

Puntos clave

To highlight the presentation of isolated anterior inferior cerebellar artery dissection as otological symptoms without evident brainstem infarction.
Case analysis of a patient with isolated AICA dissection
Utilization of serial vascular imaging techniques
Assessment of neurological symptoms and imaging results
AICA dissection was confirmed through serial imaging despite initial normal results
Otological symptoms were misinterpreted as peripheral issues
Emphasis on the necessity of follow-up imaging in atypical neurological presentations

Resumen

Peripheral otological symptoms do not exclude central vascular disease. Isolated AICA dissection may present without brainstem infarction and be occult on initial MRA; serial vascular imaging is mandatory when neurological findings are atypical. https://thejns.org/doi/10.3171/CASE2695.

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