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KMID : 1235520230220030089
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Research in Vestibular Science
2023 Volume.22 No. 3 p.89 ~ p.94
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A Rare Case of Isolated Infarcts of the Pons with Sudden Vertigo: Clinical Features and Imaging Findings
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Kwon Dong-Hwan
Jeon Eun-Kyung
Seo Young-Joon
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Abstract
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Isolated infarcts of the pons (IIP) are a rare subtype of ischemic stroke, accounting for less than 1% of all strokes. It refers to a specific type of ischemic stroke that occurs within the pons region of the brain. IIP can be associated with vertebrobasilar insufficiency in certain cases. This case report describes a 64-year-old female patient who presented with acute vertigo and spontaneous nystagmus to the lesion side, ultimately diagnosed with IIP in the posterior right side of pons.
Tegmental pontine infarcts typically manifest as oblique small (lacunar) infarctions that are localized in the mediolateral tegmental area of the middle to upper pons. The patient’s symptoms resolved spontaneously, but a 2-mm infarct was confirmed by brain diffusion magnetic resonance imaging. This case highlights the distinctive symptoms associated with IIP and emphasizes the importance of careful neurological examination and advanced neuroimaging techniques for accurate diagnosis.
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KEYWORD
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Isolated infarcts of the pons, Vertigo, Pons, Inferior olivary nucleus, Neuroimaging
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