Zobrazeno 1 - 10
of 4 336
pro vyhledávání: '"Adaptive Radiotherapy"'
Autor:
Kerstin Clasen, Cihan Gani, Leon Schuetz, Stephan Clasen, Nadja Ballin, Irina Bonzheim, Michael Orth, Stephan Ossowski, Olaf Riess, Maximilian Niyazi, Christopher Schroeder, Olga Kelemen
Publikováno v:
Radiation Oncology, Vol 19, Iss 1, Pp 1-9 (2024)
Abstract Background In locally advanced rectal cancer, the prediction of tumor response during and after neoadjuvant treatment remains challenging. In terms of organ preservation, adaptive radiotherapy, and intensified (total) neoadjuvant therapies,
Externí odkaz:
https://doaj.org/article/b87efb56e9eb484882e6753ca92a7eed
Autor:
Min Liu, Mingzhe Liu, Feng Yang, Yanhua Liu, Shoulong Wang, Yazhen Chen, Jie Li, Xianliang Wang, Lucia Clara Orlandini
Publikováno v:
Radiation Oncology, Vol 19, Iss 1, Pp 1-10 (2024)
Abstract Background To investigate the impact of using contrast-enhanced computed tomography (CHCT) in the dosimetry of stereotactic body radiation therapy (SBRT) for liver metastases treated with MR-Linac. Methods A retrospective study was conducted
Externí odkaz:
https://doaj.org/article/f65068dab0d549c5a5a25de029b6f1bb
Autor:
Sana Azzarouali, Karin Goudschaal, Jorrit Visser, Laurien Daniëls, Arjan Bel, Duncan den Boer
Publikováno v:
Radiation Oncology, Vol 19, Iss 1, Pp 1-10 (2024)
Abstract Purpose The aim was to study the potential for an online fully automated daily adaptive radiotherapy (RT) workflow for bladder cancer, employing a focal boost and fiducial markers. The study focused on comparing the geometric and dosimetric
Externí odkaz:
https://doaj.org/article/5550bc6d512744ddac5fe6715665f8c4
Autor:
Yukari Nagayasu, Shoki Inui, Yoshihiro Ueda, Akira Masaoka, Masahide Tominaga, Masayoshi Miyazaki, Koji Konishi
Publikováno v:
Journal of Medical Physics, Vol 49, Iss 3, Pp 335-342 (2024)
Aims: This study aimed to evaluate the geometrical accuracy of atlas-based auto-segmentation (ABAS), deformable image registration (DIR), and deep learning auto-segmentation (DLAS) in adaptive radiotherapy (ART) for head-and-neck cancer (HNC). Subjec
Externí odkaz:
https://doaj.org/article/c079bb8921084ac89b27fffd84cd53c9
Autor:
Haohua Wang, Xiang Zhang, Boyu Leng, Kunli Zhu, Shumei Jiang, Rui Feng, Xue Dou, Fang Shi, Lei Xu, Jinbo Yue
Publikováno v:
Radiation Oncology, Vol 19, Iss 1, Pp 1-9 (2024)
Abstract Background In locally advanced rectal cancer (LARC), optimizing neoadjuvant strategies, including the addition of concurrent chemotherapy and dose escalation of radiotherapy, is essential to improve tumor regression and subsequent implementa
Externí odkaz:
https://doaj.org/article/d0cd489441e54b52a27332ca16b55966
Autor:
Xin Xin, Bin Tang, Fan Wu, Jinyi Lang, Jie Li, Xianliang Wang, Min Liu, Qingxian Zhang, Xiongfei Liao, Feng Yang, Lucia Clara Orlandini
Publikováno v:
Radiation Oncology, Vol 19, Iss 1, Pp 1-8 (2024)
Abstract Background Magnetic resonance-guided adaptive radiotherapy (MRgART) at MR-Linac allows for plan optimisation on the MR-based synthetic CT (sCT) images, adjusting the target and organs at risk according to the patient’s daily anatomy. Conve
Externí odkaz:
https://doaj.org/article/9c699468fda244a6a1e8085806d4a24c
Autor:
Sonja Wegener, Florian Exner, Stefan Weick, Silke Stark, Heike Hutzel, Paul Lutyj, Jörg Tamihardja, Gary Razinskas
Publikováno v:
Zeitschrift für Medizinische Physik, Vol 34, Iss 3, Pp 384-396 (2024)
Purpose: The recently introduced Varian Ethos system allows adjusting radiotherapy treatment plans to anatomical changes on a daily basis. The system uses artificial intelligence to speed up the process of creating adapted plans, comes with its own s
Externí odkaz:
https://doaj.org/article/f93a78af2e2d46f2adf9b57164aaae63
Autor:
Carolin Rippke, C. Katharina Renkamp, Christiane Stahl-Arnsberger, Annette Miltner, Carolin Buchele, Juliane Hörner-Rieber, Jonas Ristau, Jürgen Debus, Markus Alber, Sebastian Klüter
Publikováno v:
Zeitschrift für Medizinische Physik, Vol 34, Iss 3, Pp 456-467 (2024)
Purpose: Dose calculation for MR-guided radiotherapy (MRgRT) at the 0.35 T MR-Linac is currently based on deformation of planning CTs (defCT) acquired for each patient. We present a simple and robust bulk density overwrite synthetic CT (sCT) method f
Externí odkaz:
https://doaj.org/article/f4afd6a26b3248d69e12f80aec3b4235
Autor:
Judith H. Sluijter, Agustinus J.A.J. van de Schoot, Abdelmounaim el Yaakoubi, Maartje de Jong, Martine S. van der Knaap - van Dongen, Britt Kunnen, Nienke D. Sijtsema, Joan J. Penninkhof, Kim C. de Vries, Steven F. Petit, Maarten L.P. Dirkx
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 33, Iss , Pp 100687- (2025)
Background and purpose: A novel ring-gantry cone-beam computed tomography (CBCT) imaging system shows improved image quality compared to its conventional version, but its effect on autosegmentation is unknown. This study evaluates the impact of this
Externí odkaz:
https://doaj.org/article/053b08774c57440494076047e6b4c240
Autor:
Shouliang Ding, Zun Piao, Meining Chen, Fanghua Li, Yongbao Li, Biaoshui Liu, Hongdong Liu, Xiaoyan Huang, Junyun Li
Publikováno v:
Clinical and Translational Radiation Oncology, Vol 50, Iss , Pp 100881- (2025)
Purpose: The aim of this study was to evaluate the inter- and intrafractional organs motions and dosimetric advantages of MRI guided online adaptive radiotherapy for cervical cancer. Methods: A total of 150 fractions treated on the 1.5 T Unity MR-Lin
Externí odkaz:
https://doaj.org/article/78ab97adeaa74b47a7a0fcf8407fdeba