Print ISSN : 0917-074X
ISSN-L : 0917-074X
頸動脈超音波所見から頸動脈ステント留置術後のplaque protrusionとプラーク内新生血管の関与が示唆された興味深い症例
萩原 悠太深野 崇之鏑木 真弓赤須 友香利清水 高弘日高 岳内田 将司伊藤 英道秋山 久尚山野 嘉久
ジャーナル フリー

2021 年 34 巻 3 号 p. 148-152


A 79-year-old man was admitted to our hospital because of mild right hemiparesis and was diagnosed with cerebral infarction caused by left internal carotid artery stenosis. He was treated with dual antiplatelet therapy. The preoperative left carotid angiogram showed 95% stenosis by the NASCET (North American Symptomatic Carotid Endarterectomy Trial) criteria. Carotid artery stenting (CAS) was performed on 21 days after onset. The postoperative carotid ultrasound showed findings of protrusion in the stent. On the mode of color-Doppler, clear delineation of this structure was not possible due to the color blurs in the stent. On the other hand, superb micro-vascular imaging (SMI) clearly demonstrated the protrusion and the neovascularization in the plaque excluded by the stent. The present case suggests that intraplaque neovascularization might be associated with plaque protrusion in CAS.

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