目的 总结口咽部颈内动脉异位的CTA表现及临床意义。 方法 回顾2021年1月至2021年10月行头颈部CTA检查的363例患者临床及影像资料，对颈内动脉口咽部走形进行分析。 结果 发现口咽部颈内动脉异位发生率为4.96%（18例），其中右侧异位3.03%（11例），左侧1.10%（4例），双侧0.83%（3例）；变异颈内动脉距离咽壁（3.16±1.47）mm；患者多无明显局部症状，个别有咽部异物感、睡眠打鼾或吞咽梗阻感甚至发生进食短暂晕厥。 结论 CTA可以清晰准确地显示口咽部颈内动脉异位，提高其检出率，为临床诊治提供影像解剖学依据。
Abstract
Objective To analyze CTA manifestations of ectopic oropharyngeal internal carotid artery and its clinical significance. Methods The clinical and imaging data of 363 patients who underwent head and neck CTA from January 2021 to October 2021 were retrospectively analyzed, and the internal carotid artery form of oropharyngeal was analyzed. Results It was found that the incidence of ectopic oropharyngeal internal carotid artery was 4.96% (18 cases). Among the 18 patients, there were 3 cases of bilateral oropharyngeal internal carotid artery heterotopia, 11 cases on the right side and 4 cases on the left side. The average distance from the variant internal carotid artery to the pharyngeal wall was (3.16±1.47) mm. Most of patients had no obvious local symptom, and some had pharyngeal foreign body sensation, sleeping snoring, swallowing obstruction and transient syncope during eating. Conclusions CTA can clearly and accurately display the ectopic oropharyngeal internal carotid artery, and improve its detection rate, so as to provide anatomical basis for clinical diagnosis and treatment.
关键词
颈内动脉 /
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异位 /
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口咽 /
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CTA
Key words
Internal carotid artery /
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Ectopic /
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Oropharynx /
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CTA
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