Abstract
Objective: Syndromal vertigo is defined as a combination of vestibular function disturbance and cranial nerve or cerebral function disturbance. The purpose of this study was to provide simplified MRA criteria for identifying morbidity and to analyze the relationship between imaging findings and clinical manifestations. Methods: Thirty-three individuals with symptoms of syndromal vertigo and vertebrobasilar territory disease were examined by equilibriometry, MR imaging (MRI), and MRA. Results: Twenty-five VA or BA abnormalities (75.8%) were found, and eight combined VA and BA abnormalities (24.2%) were found. Conclusion: MRA is advantageous over conventional angiography for a less invasive method. MRA can reveal abnormalities even in cases of “solo-vertigo” with no observed neurologic abnormalities. In our series, abnormalities were confirmed by MRA even in cases with no concomitant such as hypertension, coronary heart disease, or diabetes mellitus, which are regarded as latent risk factors for stroke.
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