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3D打印的阴道圆柱形模板,在MRI引导的阴道袖口支臂疗法中具有曲的针通道

Zhuang Mao¹, Hongfu Zhao¹

¹Department of Radiation Oncology, China-Japan Union Hospital of Jilin University, Changchun City, PR China.

Journal of contemporary brachytherapy

|January 17, 2024

概括

一个新的3D打印的阴道圆柱形模板 (3D-PVCT) 为阴道袖口支臂疗法提供了一种灵活的方法. 这种创新技术显示出有效的瘤治疗与最小的毒性承诺.

科学领域:

在瘤学瘤学.
医学物理医学物理
辐射疗法辐射疗法

背景情况:

阴道袖口复发是一个治疗挑战.
支臂疗法是局部性妇科癌症的关键方式.
需要先进的技术来提高治疗精度和结果.

研究的目的:

引入一种新的3D打印的阴道圆柱形模板 (3D-PVCT) 用于支臂治疗.
评估3D-PVCT在治疗阴道袖口复发中的可行性和有效性.
评估模板能够促进精确的辐射传递的能力.

主要方法:

两个患有阴道袖子瘤的患者使用3D-PVCT进行了MRI引导的间歇性支臂疗法.
预处理计划涉及磁共振成像用于目标和风险器官 (OAR) 识别.
3D-PVCT指导的针位置具有曲线和直线通道,以获得最佳的瘤覆盖.

主要成果:

在两名患者中,成功地使用3D-PVCT将针头植入瘤中.
辐射剂量达到目标和OAR达到EMBRACE II剂量限制.
两位患者在15个月和18个月的随访期内实现了完全反应,没有复发.
没有报告明显的急性或晚期毒性.

结论:

3D-PVCT是一种灵活且有前途的阴道袖疗法工具.
这种技术允许优秀的目标覆盖和OAR节省.
3D-PVCT显示了在妇科手腕治疗中未来广泛应用的潜力.

关键词:

通过3D打印打印3D打印.间歇性手臂疗法 (英语:interstitial brachytherapy) 是一种间歇性手臂疗法.预先计划预先计划阴道模板的阴道模板.

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