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双源CT血管造影在诊断迷走右/左锁骨下动脉中的应用 被引量:3

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摘要 目的探讨少见疾病迷走右/左锁骨下动脉(ARSA/ALSA)在双源CT血管造影(DSCTA)中的影像学特点及临床表现,提高诊断及鉴别诊断能力。方法 23例经内镜或胸部CT增强DSCTA三维后处理明确诊断的ARSA/ALSA患者,其中19例为ARSA,4例为ALSA。对其临床资料进行回顾性分析,总结其影像学表现。结果DSCTA表现为弓上分支血管数目异常及血管走行次序的异常,ARSA表现为自升主动脉弓依次显示右颈总动脉、左颈总动脉、左锁骨下动脉及迷走的右锁骨下动脉;ALSA则依次为左颈总动脉、右颈总动脉、右锁骨下动脉、迷走左锁骨下动脉,往往合并右位主动脉弓。结论 DSCTA联合三维图像后处理技术对迷走锁骨下动脉具有较强的鉴别诊断价值,特别是对食管上段肿瘤镜检、制定外科手术或放疗计划保护迷走血管具有重要临床意义。
出处 《广东医学》 CAS CSCD 北大核心 2013年第19期3012-3014,共3页 Guangdong Medical Journal
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