Results 1 to 10 of about 43,525 (332)

Applications of machine and deep learning to patient‐specific IMRT/VMAT quality assurance

Journal of Applied Clinical Medical Physics, 2021
In order to deliver accurate and safe treatment to cancer patients in radiation therapy using advanced techniques such as intensity modulated radiation therapy (IMRT) and volumetric‐arc radiation therapy (VMAT), patient specific quality assurance (QA ...
Alexander F I Osman
exaly   +2 more sources

Robustness of VMAT to setup errors in postmastectomy radiotherapy of left-sided breast cancer: Impact of bolus thickness.

PLoS ONE, 2023
BackgroundVolumetric modulated arc therapy (VMAT) with varied bolus thicknesses has been employed in postmastectomy radiotherapy (PMRT) of breast cancer to improve superficial target coverage. However, impact of bolus thickness on plan robustness remains
Yipeng He, Sijia Chen, Xiang Gao, Lirong Fu, Zheng Kang, Jun Liu, Liwan Shi, Yimin Li   +7 more
doaj   +2 more sources

Application of piecewise VMAT technique to whole-brain radiotherapy with simultaneous integrated boost for multiple metastases

Radiation Oncology, 2022
Purpose This study implemented a piecewise volumetric modulated arc therapy (P-VMAT) for realizing whole-brain radiation therapy (WBRT) with simultaneous integrated boost (SIB) for multiple brain metastases (> 40 metastases) with a conventional C-arm ...
Yuan Xu, Yingjie Xu, Kuo Men, Jianping Xiao, Jianrong Dai   +4 more
doaj   +2 more sources

HyperArc VMAT planning for single and multiple brain metastases stereotactic radiosurgery: a new treatment planning approach

Radiation Oncology, 2018
Purpose The HyperArc VMAT (HA-VMAT) planning approach was newly developed to fulfill the demands of dose delivery for brain metastases stereotactic radiosurgery.
Shingo Ohira, Yoshihiro Ueda, Yuichi Akino, Misaki Hashimoto, Akira Masaoka, Takero Hirata, Masayoshi Miyazaki, Masahiko Koizumi, Teruki Teshima   +8 more
doaj   +2 more sources

Evaluation of Hybrid VMAT Advantages and Robustness Considering Setup Errors Using Surface Guided Dose Accumulation for Internal Lymph Mammary Nodes Irradiation of Postmastectomy Radiotherapy

Frontiers in Oncology, 2022
ObjectivesSetup error is a key factor affecting postmastectomy radiotherapy (PMRT) and irradiation of the internal mammary lymph nodes is the most investigated aspect for PMRT patients.
Zhe Zhang, Daming Li, Feng Peng, Zhibo Tan, Pengfei Yang, Zhaoming Peng, Xin Li, Xin Li, Xinyue Qi, Weixiao Sun, Yajie Liu, Yajie Liu, Yuenan Wang, Yuenan Wang   +13 more
doaj   +2 more sources

Complementing Prostate SBRT VMAT With a Two-Beam Non-Coplanar IMRT Class Solution to Enhance Rectum and Bladder Sparing With Minimum Increase in Treatment Time

Frontiers in Oncology, 2021
PurposeEnhance rectum and bladder sparing in prostate SBRT with minimum increase in treatment time by complementing dual-arc coplanar VMAT with a two-beam non-coplanar IMRT class solution (CS).MethodsFor twenty patients, an optimizer for automated multi ...
Abdul Wahab M. Sharfo, Linda Rossi, Maarten L. P. Dirkx, Sebastiaan Breedveld, Shafak Aluwini, Ben J. M. Heijmen   +5 more
doaj   +2 more sources

Dosimetric Evaluation of Tangential Arc and Jaw Tracking Techniques in Volumetric Modulated Arc Therapy for Synchronous Bilateral Breast Cancer [PDF]

International Journal of Women's Health
Jiyong Zhang,1,* Zewei Chen,1,* Danli Hong2 1Department of Radiation Oncology, Cancer Hospital of Shantou University Medical College, Shantou, Guangdong, 515000, People’s Republic of China; 2Department of Endocrinology, The First ...
Zhang J, Chen Z, Hong D
doaj   +2 more sources

Volumetric modulated arc therapy (VMAT) for hippocampal-avoidance whole brain radiation therapy: planning comparison with Dual-arc and Split-arc partial-field techniques

Radiation Oncology, 2020
Background Although whole brain radiation therapy (WBRT) provides palliation and prophylaxis, reduces local recurrence probability and improves overall survival, it is evident that WBRT is associated with neurocognitive deficits due to radiation induced ...
Adams Hei Long Yuen, Po Man Wu, Alex Kai Leung Li, Philip Chung Yin Mak   +3 more
doaj   +2 more sources

Dosimetric comparison of 3D-conformal radiotherapy, volumetric modulated arc therapy, and h-VMAT in left breast radiotherapy under free-breathing and breath-hold conditions [PDF]

Scientific Reports
This study investigates the role of the h-VMAT (a hybrid of 3DCRT and VMAT) technique in the Deep Inspirational Breath-Hold (DIBH) method for left-breast irradiation by comparing dosimetric parameters of 3DCRT, VMAT, and h-VMAT plans in free breathing ...
Shambhavi C, Sarath S. Nair, Jyothi Nagesh, Anshul Singh, Umesh Velu, Ankita Mehta, N. P. Jayashree, Mahak Gupta, Jayapalan Krishnan, Kathiresan K, Vennila J, Shirley Lewis, Krishna Sharan   +12 more
doaj   +2 more sources

Dosimetric Comparative Study between Single and Dual Isocenter Stereotactic Body Radiotherapy Plans in Treatment of Multiple Lesions Non-Small Cell Lung Cancer Patients [PDF]

Iranian Journal of Medical Physics, 2023
Introduction: stereotactic body radiotherapy (SBRT) is the most proper treatment for multi lesions non-small cell lung cancer (NSCLC) for enhanced good coverage and minimizing dose to organs at risk (OARs).
Mona Ibraheim, Magda Hanafy, Khaled El-Shahat, Mohammed Bayomy, Hany Attallah, Nesma khalil   +5 more
doaj   +1 more source