Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Aortogenic Embolic Stroke Diagnosed by a Pathological Examination of Endovascularly Removed Thrombus: An Autopsy Report
Genki UsuiHirotsugu HashimotoYoshiya SugiuraYuji NishiMasashi KusakabeHajime HoriuchiSeiji OkuboTeppei Morikawa
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ジャーナル オープンアクセス

2019 年 58 巻 19 号 p. 2851-2855

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Complex aortic atheroma is a high-risk factor for recurrent embolic stroke. An accurate identification of stroke etiology is clinically important; however, it can be challenging. A 91-year-old man with atrial fibrillation was diagnosed with cardioembolic stroke and treated with mechanical thrombectomy. The removed thrombus microscopically contained foamy cells, suggesting an atheroembolism. An autopsy revealed an atherosclerotic lesion with ulceration, located in the aortic arch. At the lesion, the plaque had microscopically ruptured into the lumen. We therefore concluded that the aortic atherosclerotic lesion was the embolic source. Removed thrombi should be pathologically examined even if a cardioembolic stroke is clinically suspected.

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© 2019 by The Japanese Society of Internal Medicine
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