Synthetic CT-enabled weekly adaptive radiotherapy for nasopharyngeal carcinoma: Optimizing plan adaptation triggers through volumetric-dosimetric monitoring [0.03%]
基于体积-剂量学监测的鼻咽癌周适形放疗计划调整触发点优化研究
Zhenmei Cao,Chun Wu,Lixiang Han et al.
Zhenmei Cao et al.
Background and purpose: Anatomical changes during radiotherapy for nasopharyngeal carcinoma (NPC) frequently compromise target volume coverage while escalating dose delivery to organs at risk (OARs). In adaptive radiother...
Method for simultaneous selection of treatment isocenters and margins for polymetastatic extracranial stereotactic ablative radiotherapy [0.03%]
用于多发性转移病灶立体定向消融放疗的治疗等中心及边界同时选择方法
Jordan M Slagowski,Gemma A Davies,Adam Bayliss et al.
Jordan M Slagowski et al.
Background: Stereotactic ablative radiotherapy (SABR) represents a new era of treatment for polymetastatic extracranial disease but introduces unique challenges in isocenter selection and margin optimization to balance tr...
Pulse‑level characterization of low monitor unit deliveries on a modern linear accelerator using a plastic scintillation detector [0.03%]
现代直线加速器上使用塑料闪烁体探测器表征低监测单位剂量脉冲水平分布
Andrew J White,Poonam Yadav,Indra J Das et al.
Andrew J White et al.
Background: Variability in low monitor unit (MU) deliveries has been previously documented, but the underlying pulse‑level behavior has not been fully described due to the integrating nature of most conventional detector...
Improving image quality in terbium-161 phantom imaging: Quantitative evaluation of DEW and TEW scatter correction methods [0.03%]
铽-161体模成像中改善图像质量的DEW和TEW散射校正方法的定量评估
Melek Can,Gamze Çapa Kaya,Gül Gümüşer et al.
Melek Can et al.
Background: Terbium-161 (Tb-161) emits gamma rays and beta radiation, enabling both therapeutic and imaging applications. However, the multiple gamma emissions of 161Tb can affect image quality by increasing the scatterin...
Latent density discrepancies in commercial lung-equivalent inserts and their clinical dosimetric impact [0.03%]
商品化肺等效模体的潜密度差异及其对临床剂量学的影响
Minoru Nakao,Shuichi Ozawa,Hideharu Miura et al.
Minoru Nakao et al.
Background: Accurate heterogeneity correction in high-precision radiotherapy relies on precise computed tomography (CT) number-to-density conversion via the Hounsfield unit look-up table (HLUT). While physical properties ...
Explainable machine learning for patient-specific quality assurance in intensity-modulated radiotherapy based on anatomical structures [0.03%]
基于解剖结构的强度调控放射治疗的个性化质量保证的可解释机器学习方法
Xuerou Zhang,Ying Huang,Jie Wang et al.
Xuerou Zhang et al.
Background: Patient-specific quality assurance (PSQA) plays a pivotal role in intensity-modulated radiotherapy (IMRT) to ensure accurate dose delivery. However, conventional measurement-based PSQA approaches are labor-int...
Conditional sparing in FLASH radiotherapy: Conformal dosimetry and ALARA remain essential [0.03%]
超大分次放射治疗中的条件保护：剂量 conformal 和遵守辐射防护最优化原则仍必不可少
Chih-Chiang Chang,Yangguang Ma,Minglei Kang et al.
Chih-Chiang Chang et al.
FLASH radiotherapy shows promise in reducing normal tissue toxicity while maintaining tumor control. However, preclinical and early clinical evidence reveal biological and technical uncertainties. We review preclinical and veterinary studie...
Dual-scan conformal cone-beam CT for targeted image-quality improvement using dynamic collimation [0.03%]
利用动态遮线器改善图像质量的目标双扫描共形锥束CT
Yuxiang Liu,Siqi Yuan,Xin Feng et al.
Yuxiang Liu et al.
Background: Cone-beam computed tomography (CBCT) is routinely used for image guidance in radiation therapy, but conventional full-field CBCT acquisition may expose anatomically irrelevant regions and generate substantial ...
Personalized eye protection for head CT organ-based tube current modulation: A deep learning approach to derive 3D eyeball models from a single-view topogram [0.03%]
基于深度学习的个性化眼部保护头部CT器官基于管电流调制：从单视图顶视图像中导出3D眼球模型的方法
Xiaolin Meng,Lei Zhu,Shenghao Chen et al.
Xiaolin Meng et al.
Background: The lens of the eye is highly radiosensitive, yet personalized shielding during head CT remains challenging due to the lack of a rapid, pre-scan localization method. ...
Radiation dose optimization in coronary CT angiography clinical application of absolute phase gating in patients with atrial fibrillation [0.03%]
房颤患者冠状动脉CT造影临床应用绝对相位门控优化辐射剂量研究
Yuyang Li
Yuyang Li
Background: Atrial fibrillation (AF) poses significant challenges for coronary CT angiography (CCTA) due to R-R interval variability, often necessitating high radiation dose protocols. Absolute phase gating, which uses fi...