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Abstract：
CT angiography might be a suitable procedure to avoid arterial puncture in combined intracavitary and interstitial brachytherapy for cervical cancer curatively treated with combined chemoradiation and brachytherapy boost. Data in the literature about this technique are scarce. We introduced this method and collected brachytherapy data from patients treated in our department between May 2021 and April 2024. We analyzed the applicator subtype, needle insertion (planned versus implanted), implanted depth and the role of CT angiography in selecting needle trajectories and insertion depths. None of the patients managed through this protocol experienced atrial puncture and consequent hemorrhage. Needle positions were accurately selected with the aid of CT angiography with proper coverage of brachytherapy targets and avoidance of organs at risk. CT angiography is a promising method for guiding needle insertion during interstitial brachytherapy.
摘要：
CT血管造影可能是在腔内和间质近距离放射疗法联合治疗宫颈癌时避免动脉穿刺的合适方法。有关该技术的文献中的数据很少。我们介绍了这种方法，并收集了2021年5月至2024年4月在我们部门接受治疗的患者的近距离放射治疗数据。我们分析了涂抹器的亚型，针头插入（计划与植入），植入深度和CT血管造影在选择针轨迹和插入深度中的作用。通过该方案治疗的患者均未经历心房穿刺和随后的出血。借助CT血管造影准确选择针头位置，并适当覆盖近距离放射治疗目标并避免危险器官。CT血管造影是在间质近距离放射治疗期间引导针插入的有前途的方法。
