Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
A Case of Acute Ischemic Stroke Due to a Mobile Thrombus Adherent to a Carotid Web
Shunsuke Kimura, Naoki Tagawa, Tadataka Mizoguchi, Yoko Nakamura, Hiroyuki Hayashida, Yohei Kubara, Yusuke Imamura, Kota Mori, Fumihiko Kinjo, So Tokunaga, Takahiro Kuwashiro, Hiroshi Sugimori, Yasushi Okada
著者情報
キーワード: Carotid web, carotid artery stenting (CAS), mobile thrombus
ジャーナル オープンアクセス 早期公開

論文ID: 5778-25

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A 48-year-old man presented with impaired consciousness and aphasia. Magnetic resonance imaging (MRI) of the head revealed acute cerebral infarction in the left temporal and parietal lobes. Carotid ultrasonography revealed a mobile structure at the origin of the left internal carotid artery. Cervical MRI using fat-saturation T1 imaging showed an isointense structure at the origin, with a high-signal structure extending toward the head. Digital subtraction angiography revealed contrast stagnation, suggesting the presence of a carotid web (CaW). The mobile structure was released, indicating thrombus resolution. Carotid artery stenting eliminated contrast stagnation and was well-tolerated. This case highlights the diagnostic challenges associated with a CaW-related stroke.

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© 2025 by The Japanese Society of Internal Medicine

This article is licensed under a Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International] license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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