Print ISSN : 0917-074X
ISSN-L : 0917-074X
小野寺 奈緒大浦 一雅加藤 正義大庭 英樹小林 正和小笠原 邦昭人見 次郎諏訪部 章寺山 靖夫
ジャーナル フリー

2016 年 29 巻 3 号 p. 191-195


Background: Intraplaque neovascularization in carotid artery plaque was assessed using contrast-enhanced ultrasonography (CEUS) and then the patient underwent carotid endarterectomy (CEA). Significant contrast flow was detected in the plaque and the findings from a pathological specimen are discussed.
Case: Asymptomatic severe left-sided carotid stenosis was detected by ultrasonography (US) in a 71-year-old man, and the patient underwent CEA. We assessed the contrast effects of perflubutane over time in CEUS. A pathological specimen of plaque selected during CEA was stained with Masson’s trichrome and immunostained using CD34 and CD146. Considerable inflow of contrast from the lumen to the plaque was observed on CEUS, and the plaque was entirely enhanced with contrast agent over time. The pathological findings of the specimen excised by CEA showed a connection between the vessel lumen and nearby neovascularization throughout the plaque.
Conclusion: The inflow of contrast agent into the plaque on CEUS corresponded with a histopathological finding of the neovascularization.

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