Comprehensive evaluation of a deep learning-based synthetic CT model for MR-only radiotherapy across multiple anatomical sites [0.03%]
基于深度学习的合成CT模型在多个解剖部位单模MRI放疗中的全面评估研究
Xiao Liang,Chanwoong Lee,Andrew Godley et al.
Xiao Liang et al.
Background and purpose: With advances in deep learning, MRI-only radiotherapy planning (MROP) has been increasingly adopted. However, clinical implementation still requires rigorous evaluation of synthetic CT (sCT) accura...
Distance-adaptive geometric margins for residual rotational uncertainty in single-isocenter multitarget stereotactic radiosurgery [0.03%]
自适应距离几何边际在单中心多靶立体定向放射外科手术中的应用以补偿剩余旋转不确定性
Jiaxin Deng,Zun Piao,Xinyu Song et al.
Jiaxin Deng et al.
Background and purpose: Single isocenter multitarget stereotactic radiosurgery improves efficiency for multiple brain metastases, but residual rotational uncertainty increases with target-to-isocenter distance, raising th...
Commissioning of an expanded-field radiation technique using a gimbal-mounted linear accelerator [0.03%]
一种新型托架式直线加速器的远距离放射治疗临床应用效果验证研究
Tomohiro Ono,Fumiya Tanaka,Shunta Jinno et al.
Tomohiro Ono et al.
Background and purpose: A novel gimbal-mounted linear accelerator (linac) enables off-axis beam delivery. This study was aimed at commissioning an expanded-field radiation technique using a gimbal-mounted linac to validat...
Evaluation of tumor localization accuracy on fast ring-gantry cone-beam computed tomography using patient-specific breathing curves and a dynamic anthropomorphic thorax phantom [0.03%]
采用患者特异性呼吸曲线和动态人体胸壁体模评估快速环机锥形束CT肿瘤定位精度
Lars H B A Daenen,Didier Lustermans,Tim H A Stassen et al.
Lars H B A Daenen et al.
Background and purpose: Fast cone beam computed tomography (CBCT) on ring-gantry systems allows for improved image quality and fast 6-second acquisition. However, 6-second acquisition might pose challenges regarding targe...
Transformer-based cardiac substructure segmentation from contrast and non-contrast computed tomography for radiotherapy planning [0.03%]
基于变压器的对比和非对比计算机断层扫描心脏亚结构分割以进行放射治疗规划
Aneesh Rangnekar,Nikhil Mankuzhy,Jonas Willmann et al.
Aneesh Rangnekar et al.
Background and purpose: Accurate segmentation of cardiac substructures on computed tomography (CT) scans is essential for radiotherapy planning. This study evaluated whether pretrained transformers enabled data-efficient ...
Multi-institutional evaluation of isocentricity on a ring-gantry linear accelerator platform with double-stacked MLCs [0.03%]
具有双层MLC的环形机架直线加速器平台等中心性多机构评估
Xiaodong Zhao,Phillip D Wall,Justin Mikell et al.
Xiaodong Zhao et al.
Background and purpose: This study aimed to characterize the isocentricity of ring-gantry linacs and evaluate variability across institutions and software. Isocentricity is assessed using vendor-provided and user-defined ...
A multicentre audit of the geometric accuracy and water equivalence of 3D printed thermoplastic objects for use in radiotherapy [0.03%]
三维打印热塑性物体在放射治疗中的几何精度和等效水性的多中心审计
Matthew R Jones,Peter D Woolliams,Matthew A Bolt et al.
Matthew R Jones et al.
Background and purpose: Plastic materials are widely used as water substitutes in radiotherapy; however, the dosimetric properties of thermoplastic polymers used in 3D printing can vary. A multicentre audit was conducted ...
Clinical feasibility of fast adaptive four-dimensional cone-beam computed tomography for lung cancer radiotherapy [0.03%]
快速自适应四维锥形束computed体层摄影在肺癌放射治疗的临床可行性研究
Sadia Sana,Shalini K Vinod,Paul Keall et al.
Sadia Sana et al.
Background and purpose: Adaptive Four-Dimensional Cone-Beam Computed Tomography (4DCBCT) can reduce scan time and imaging dose in radiotherapy. This is achieved by modulating the projection acquisition rate and gantry rot...
Potential normal tissue sparing in vulvar cancer using intensity modulated proton therapy versus volumetric modulated arc therapy [0.03%]
利用调强质子治癌与调强弧形治疗的潜在正常组织保护作用对比研究 Vulvar Cancer
Anna C Prins,Raymond de Boer,András G Zolnay et al.
Anna C Prins et al.
Background and purpose: Photon radiotherapy, typically volumetric modulated arc therapy (VMAT), is the standard for adjuvant or definitive treatment of vulvar cancer. Here, we explore the potential of intensity modulated ...
Metabolic and morphological assessment of carbon ion radiotherapy response in sacral chordoma [0.03%]
碳离子放疗对骶骨脊索瘤治疗反应的代谢和形态学评估
Burte Gantumur,Ayako Taketomi-Takahashi,Sayaka Kodaira et al.
Burte Gantumur et al.
Background and purpose: Sacral chordoma is a rare and locally aggressive malignant tumor. Carbon ion radiotherapy (CIRT) has emerged as a promising therapeutic modality, but tumor size may not decrease immediately after t...