
SynthRAD2023——放射治疗的CT合成 - 知乎 - 知乎专栏
2023年6月9日 · 计算机断层扫描 (CT) 被认为是 RT 中的主要成像模式,可提供准确和高分辨率的患者几何形状,并实现剂量计算所需的直接电子密度转换。 此外, 锥束计算机断层扫描 …
TAICHI RT的实时影像引导系统如何确保放疗精度? - 知乎
2024年12月13日 · TAICHI RT通过高精度 kV级锥形束计算机断层扫描成像 (CBCT)模块和 实时数字化验证系统 (EPID),实现了对肿瘤靶区的高精度定位和摆位验证,显著提高了放疗的 …
Routine use of single visit online adaptive CBCT-guided sim-free ...
1 天前 · Time frame 1 (TF1) consists of entering the RT-room, setup time and the first CBCT. Time Frame 2 (TF2) encompassed contouring time and the generation and optional editing of …
2V-CBCT: Two-Orthogonal-Projection Based CBCT ... - IEEE Xplore
2024年8月6日 · This work demonstrates the feasibility of two-orthogonal-projection-based CBCT (2V-CBCT) reconstruction and dose calculation for radiation therapy (RT) using re
DICOM-RT:放疗领域中的各种影像 - CSDN博客
2018年4月23日 · 千伏级CBCT,赋予了传统医用直线加速器容积 成像 的功能。 在治疗開始前患者已经处于治疗位置时,进行CBCT图像採集与重建,提供三维和软组织的高分辨率容积成像。 …
放射治疗中CBCT的质控项目和模体 - 知乎 - 知乎专栏
CBCT设备性能模体是专门设计用于CBCT、牙科X线断层摄影和3D成像设备全程的QA/QC测试工具的,应用范围包括3D成像设备和C形臂X射线机等设备,该模体也可用于标准的CT IQ测试 …
Cone-beam CT-guided radiotherapy in the management of lung …
2015年12月5日 · In this study, we evaluated intrathoracic changes detected by cone-beam CT (CBCT) in lung cancer patients during RT. Methods and materials: A total of 71 lung cancer …
2V-CBCT: Two-Orthogonal-Projection Based CBCT ... - ScienceDirect
2023年10月1日 · Not all radiation therapy (RT) treatments/fractions have CBCT acquired, but two orthogonal projections (i.e., KV radiography) are always available. This work demonstrates the …
A review of dose calculation approaches with cone beam CT in
Background and purpose: The use of cone beam computed tomography (CBCT) for performing dose calculations in radiation therapy has been widely investigated as it could provide a …
Adaptive Radiation Therapy: A Review of CT-based Techniques
CBCT is widely used for image-guided RT, so implementing CBCT-guided online ART requires little infrastructural change or specialized training (24,46). Other advantages include a short …