Results 21 to 30 of about 14,390 (207)

A Dosimetric Comparison of Volumetric-Modulated Arc Therapy to Intensity-Modulated Radiation Therapy in the Treatment of Locally Advanced Rectal Carcinoma [PDF]

Iranian Journal of Medical Physics, 2020
Introduction: The study was conducted to compare volumetric-modulated arc therapy (VMAT) with intensity-modulated radiation therapy (IMRT) in patients with locally advanced rectal cancer (LARC).
Eman Eldebawy, Yasser Rashed, Mashaal AlKhaldi, Emma Day   +3 more
doaj   +1 more source

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   +1 more source

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   +1 more source

Investigation of VMAT Algorithms and Dosimetry [PDF]

Practical Radiation Oncology, 2013
{"references": ["Gregoire V, De neve W, Eisbruch A, Lee N, Van den Weyngaert D, Van Gestel D. Intensity modulated radiation therapy for Head and Neck carcinomas. The Oncologist. 2007; 12: 555-564.", "Braam P, Terhaard C, Roesink J. Intensity Modulated Radiotherapy significantly reduces xerostomia compared with conventional radiotherapy.
openaire   +3 more sources

Effective Organs-at-Risk Dose Sparing in Volumetric Modulated Arc Therapy Using a Half-Beam Technique in Whole Pelvic Irradiation

Frontiers in Oncology, 2021
BackgroundAlthough there are some controversies regarding whole pelvic radiation therapy (WPRT) due to its gastrointestinal and hematologic toxicities, it is considered for patients with gynecological, rectal, and prostate cancer.
Hyunsoo Jang, Jiyeon Park, Jiyeon Park, Mark Artz, Mark Artz, Yawei Zhang, Yawei Zhang, Jacob C. Ricci, Soon Huh, Soon Huh, Perry B. Johnson, Perry B. Johnson, Mi-Hwa Kim, Mison Chun, Young-Taek Oh, O Kyu Noh, Hae-Jin Park   +16 more
doaj   +1 more source

Comparison of dosimetric characteristics between flattening filter‐free and flattening filter mode volumetric‐modulated arc therapy plans in rectal cancer

Precision Radiation Oncology, 2021
Objective We aimed to compare the dosimetric characteristics of 6‐MV flattening filter mode (FF) and flattening filter‐free mode (FFF) volumetric‐modulated arc therapy (VMAT) plans in preoperative radiotherapy for rectal cancer using an Edge linear ...
Zhen Ding, Xiaoyong Xiang, Kailian Kang, Qi Zeng, Qingqing Yuan, Meiling Xu   +5 more
doaj   +1 more source

Dosimetric Comparison of Tangential Volumetric Arc Therapy and Half Beam Volumetric Modulated Arc Therapy Planning Technique for Carcinoma of the Breast [PDF]

Iranian Journal of Medical Physics
Introduction: This study aims to compare tangential volumetric modulated arc therapy with half beam volumetric modulated arc therapy in the treatment of cancer in the left and right breasts.
Shreekripa Rao, Alpha Benny, Srinidhi Chandraguthi, Rechal Dsouza   +3 more
doaj   +1 more source

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   +1 more source

Evaluation of dosimetric parameters in three volumetric modulated arc therapy regimens for hippocampal and scalp sparing in whole-brain radiation therapy

Frontiers in Physics
ObjectiveTo evaluate the dosimetric performance of three Volumetric Modulated Arc Therapy (VMAT) techniques with different beam arrangements—Coplanar Partial-Field VMAT (PF-VMAT), Non-Coplanar VMAT (NC-VMAT), and Coplanar Whole-Field VMAT (WF-VMAT)—for ...
Huaqu Zeng, Yangxing Lin, Zongyou Chen, Shukui Tang, Qifu Lin, Zunbei Wen   +5 more
doaj   +1 more source

Early outcomes of image-guided hypofractionated volumetric modulated arc radiotherapy (ig-hyvmat) in dogs with non-lymphomatous nasal tumors (nlnt) [PDF]

Kafkas Universitesi Veteriner Fakültesi Dergisi
Radiotherapy is a cornerstone in the management of canine non-lymphomatous nasal tumors (NLNT), providing both palliative benefit and local tumor control.
Onur ÜLGENALP, Emine Esma ÇERKEZ, Vildan ALPAN, Ezgi OYMAK, Fatma Eser ÖZGENCİL, Özgecan KULEYİNOĞLU, Alper DEMİRUTKU, Adeviye Perran GÖKÇE, Yasemin ATAGUN, Uğur SELEK   +9 more
doaj   +1 more source