Carlos Huerga,Ana Morcillo,Luis Alejo et al.
Carlos Huerga et al.
Predictive models of tumor response based on heterogeneity metrics in medical images, such as textural features, are highly suggestive. However, the demonstrated sensitivity of these features to noise does affect the model being developed. ...
Efficacy of tangential irradiation with volumetric modulated arc therapy on scalp angiosarcoma using medical linac [0.03%]
利用医疗直线加速器以容积旋转调强方式进行切向照射治疗头皮血管肉瘤的有效性研究
Hiroki Nakayama,Satoshi Nakamura,Kotaro Iijima et al.
Hiroki Nakayama et al.
Purpose: To increase the superficial dose and reduce the brain dose for radiotherapy of scalp angiosarcoma, we propose a novel irradiation technique of tangential irradiation volumetric modulated arc therapy (TI-VMAT). ...
When your MR linac is down: Can an automated pipeline bail you out of trouble? [0.03%]
当您的MR直线加速器出现故障时:自动管道可以帮你摆脱困境吗?
L Placidi,D Cusumano,A Alparone et al.
L Placidi et al.
Purpose: The unique treatment delivery technique provided by magnetic resonance guided radiotherapy (MRgRT) can represent a significant drawback when system fail occurs. This retrospective study proposes and evaluates a p...
On the use of machine learning methods for mPSD calibration in HDR brachytherapy [0.03%]
机器学习方法在高剂量率近距离放疗中mPSD校准的应用
Haydee M Linares Rosales,Gabriel Couture,Louis Archambault et al.
Haydee M Linares Rosales et al.
We sought to evaluate the feasibility of using machine learning (ML) algorithms for multipoint plastic scintillator detector (mPSD) calibration in high-dose-rate (HDR) brachytherapy. Dose measurements were conducted under HDR brachytherapy ...
Extension of RBE-weighted 4D particle dose calculation for non-periodic motion [0.03%]
RBE加权4D粒子剂量计算在非周期运动中的扩展
Timo Steinsberger,Christian Alliger,Marco Donetti et al.
Timo Steinsberger et al.
Purpose: Highly conformal scanned Carbon Ion Radiotherapy (CIRT) might permit dose escalation and improved local control in advanced stage thoracic tumors, but is challenged by target motion. Dose calculation algorithms t...
High frequency residues: A new set of signals for detectability studies of an X-ray imaging system [0.03%]
高频残差:用于X射线成像系统可检测性研究的新一类信号集
Antonio González-López
Antonio González-López
A new set of signals for studying detectability of an X-ray imaging system is presented. The results obtained with these signals are intended to complement the NEQ results. The signals are generated from line spread profiles by progressivel...
Incorporation of tumor motion directionality in margin recipe: The directional MidP strategy [0.03%]
在边缘配方中纳入肿瘤运动方向性:方向MidP策略
Loïc Vander Veken,David Dechambre,Edmond Sterpin et al.
Loïc Vander Veken et al.
Purpose: Planning target volume (PTV) definition based on Mid-Position (Mid-P) strategy typically integrates breathing motion from tumor positions variances along the conventional axes of the DICOM coordinate system. Tumo...
A single phantom, a single statistical method for low-contrast detectability assessment [0.03%]
低对比度可检测性评估的单个模拟体和单一统计方法
Nicoletta Paruccini,Raffaele Villa,Nadia Oberhofer et al.
Nicoletta Paruccini et al.
Purpose: The assessment of low-contrast-details is a part of the quality control (QC) program in digital radiology. It generally consists of evaluating the threshold contrast (Cth) detectability details for different-size...
Comparative performance analysis of 2D and 3D gamma metrics for patient specific QA in VMAT using Octavius 4D with 2D-Array 1500 [0.03%]
使用Octavius 4D和2D阵列1500对VMAT中患者特定质量保证的二维和三维伽玛指标的比较性能分析
Bipasha Pal,Angshuman Pal,Santanu Bag et al.
Bipasha Pal et al.
Introduction: Gamma pass percentage (GPP) is the predominant metric used for Patient Specific Quality Assurance (PSQA) in radiation therapy. The dimensionality of the measurement geometry in PSQA has evolved from 2D plana...
A feasibility study of "plan transformation": A novel workaround enabling patient transfer between different Varian machines [0.03%]
“计划转换”可行性研究:一种允许不同瓦里安机器之间病人转移的新工作流程
H Afsharpour,M Nielsen,M Jensen et al.
H Afsharpour et al.
Purpose: The objective of this work is to explore a methodology to enable plan transfers from Standard MLC (STD) to High Definition MLC (HD) Varian units without replanning. Using "Plan Transformation", we aim to utilize ...