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首页> 外文期刊>Current opinion in gastroenterology >Role of endoscopic ultrasonography guided fiducial marker placement in gastrointestinal cancer
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Role of endoscopic ultrasonography guided fiducial marker placement in gastrointestinal cancer

机译：内镜超声波引导基准标志物放置在胃肠癌中的作用

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Purpose of review Dose escalation radiation therapy such as those delivered by stereotactic body radiation therapy (SBRT) has shown to improve local disease control in multiple types of malignancies. This requires fiducial placement to improve accuracy of treatment and avoid adverse events to adjacent radiosensitive organs during respiration phases. The purpose of this review is to provide updates of recent high-quality articles related to endoscopic ultrasonography (EUS)-guided fiducial placement for gastrointestinal malignancies, particularly in pancreatic cancer, which is expected to be the second leading cause of cancer-related deaths in the USA within this decade. Recent findings A recent systematic review and meta-analysis has shown that EUS-guided fiducial placement for gastrointestinal malignancies has excellent technical success and safety profile. Comparative studies of most commercially available fiducial types via a 22-gauge needle system showed that a 0.035 mm diameter and 10 mm long gold fiducial with coiled configuration, hollow core and external helical design might be favoured due to its most balanced performance of visibility, artifact and migration. A fine balance of performance characteristics of fiducials should be discussed with radiation oncologists to select a suitable and preferred type of fiducials. The comparative studies of other newly developed platinum fiducials and liquid fiducial are pending.
机译：审查剂量升级的目的，例如由立体定向体放射治疗（SBRT）提供的递送疗法（SBRT），已显示在多种类型的恶性肿瘤中改善局部疾病控制。这需要基准放置，以提高治疗的准确性，并在呼吸阶段期间避免对相邻放射筛器官的不良事件。本综述的目的是提供近期与内镜超声（EUS） - 肠道恶性肿瘤的基准放置相关的最新高质量文章的更新，特别是在胰腺癌中，预计将成为癌症相关死亡的第二个主要原因美国在这十年内。最近的结果最近的系统评价和荟萃分析表明，胃肠道恶性肿瘤的EUS引导的基准安置具有出色的技术成功和安全性。通过22型针系统的大多数商业基准类型的比较研究表明，由于其最平衡的可见性，伪影性能，可能有利于0.035毫米直径和10毫米长的金基准，而卷轴的配置，中空芯和外螺旋设计可能受到青睐。和迁移。应使用放射肿瘤学家讨论基准度的性能特征的精细平衡，以选择合适和优选的基准类型。其他新开发的铂金基实和液体基准的比较研究待定。

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