Hagiwara Yuta, Yoshie Tomohide, Shimizu Takahiro, Fukano Takayuki, Takada Tatsuro, Ueda Toshihiro, Hasegawa Yasuhiro
Department of Internal Medicine, Division of Neurology, St. Marianna University School of Medicine, Kawasaki, Japan.
Department of Strokology, Stroke Center, St. Marianna University Toyoko Hospital, Kawasaki, Japan.
J Clin Ultrasound. 2018 Nov;46(9):598-601. doi: 10.1002/jcu.22599. Epub 2018 Apr 23.
A 67 year-old man was admitted to our hospital because of mild left hemiparesis and was diagnosed with cerebral infarction caused by right internal carotid artery stenosis. He was treated with dual antiplatelet therapy and scheduled for carotid artery stenting 14 days after onset. The preoperative right carotid angiogram showed 60% stenosis by the NASCET criteria, with an ulcer. The postoperative angiogram suggested protrusion in the stent, which could not be seen on conventional carotid ultrasonography because of its high location. On transoral carotid ultrasonography, clear delineation of the lesion was not possible due to color blurs. Contrast-enhanced transoral carotid ultrasonography (CETOCU) clearly demonstrated the protrusion and delineated the lumen within the stent.
一名67岁男性因轻度左侧偏瘫入院，被诊断为右颈内动脉狭窄所致脑梗死。他接受了双联抗血小板治疗，并计划在发病14天后进行颈动脉支架置入术。术前右颈动脉血管造影显示，根据北美症状性颈动脉内膜切除术（NASCET）标准，狭窄率为60%，伴有溃疡形成。术后血管造影显示支架内有突出物，因其位置较高，常规颈动脉超声检查无法发现。经口颈动脉超声检查时，由于图像模糊，无法清晰显示病变。对比增强经口颈动脉超声检查（CETOCU）清晰地显示了突出物，并勾勒出了支架内的管腔。
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