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The earlier form of arc therapy, termed intensity modulated arc therapy (IMAT) was first described by Yu in and required the use of multiple superimposed arcs to achieve a satisfactory dose distribution There are two main forms of arc-based therapies: tomotherapy and volumetric modulated arc therapy (VMAT). ...

//&#;&#;Background To investigate the role of intensity-modulated proton therapy (IMPT) compared to volumetric modulated arc therapy (VMAT) for the radiation treatment of thymoma cancer. Methods Twenty patients were retrospectively planned for IMPT [with (IMPT_R or IMPT_R according to the approach adopted) and without robust optimization] and VMAT. The results were compared according

Volumetric Modulated Arc Therapy (VMAT) Treatment involves three basic steps: diagnosis, treatment planning, and delivery. As part of the diagnosis, the medical team generates three-dimensional diagnostic images (usually CT and/or PET) of the patients anatomy and then uses these images to specify the dose of radiation needed to treat the tumor.

Aslam PA, George B () Volumetric Modulated Arc Therapy versus Intensity Modulated Radiotherapy on the Left- sided Chest Wall and Loco-regional Nodes Irradiation in Treating Post Mastectomy Breast Cancer Patients: A Comparative Dosimetric Analysis. Insights Med Phys Vol.

Purpose Volumetric intensity-modulated arc therapy (RA) allows for rapid delivery of highly conformal dose distributions. In this study, planning and dosimetry of RA were compared with conventional intensity-modulated radiation therapy (IMRT) plans of head-and-neck cancer patients.

//&#;&#;The advanced developments in external beam radiation therapy (EBRT) over the past few decades have improved dose conformity to the target while minimizing dose to the surrounding organs at risk (OAR). Intensity modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) are two commonly used EBRT techniques to treat cancer.

The study of two-dimensional dosimetric verifications of volumetric intensity-modulated arc therapy based on electronic portal imaging devices[J]. Chinese Journal of Radiation Oncology, , (): . ZHU Jin-han *,CHEN Li-xin,JIN Guang-hua et al.

Intensity-modulated radiotherapy and single-arc and partial-arc volumetric modulated arc therapy techniques in patients with peripheral tumors: Monitor unit, CN, and homogeneity index The comparative results of IMRT and VMAT techniques are summarized in [Table ] .

//&#;&#;Intensity-modulated radiotherapy (IMRT) and volumetric-modulated arc therapy (VMAT) are two main radiotherapy techniques. The aim of this study is to explore which is the preferred technique in prostate treatment through the related publications and meta-analysis.

Volumetric intensity-modulated arc therapy vs conventional intensity-modulated radiation therapy in nasopharyngeal carcinoma: a dosimetric study Peter White, Peter White * . Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong * ...

Intensity modulated arc therapy (IMAT) was proposed by Yu as an alternative to ... leading example was the Volumetric Modulated Art The rapy, a single arc form of IMAT that delivers apertures of varying weightings with a single arc rotation using dose rate variation of the treatment machine.

Ost P, Speleers B, De Meerleer G, De Neve W, Fonteyne V, Villeirs G, et al. Volumetric arc therapy and intensity-modulated radiotherapy for primary prostate radiotherapy with simultaneous integrated boost to intraprostatic lesion with and MV: a planning comparison study. Int J Radiat Oncol Biol Phys ; : [Google Scholar]

volumetric modulated arc therapy (VMAT) which is a further evolution of intensity modulated radiotherapy (IMRT) VMAT allows definitive radiation treatment of large convex fields (e.g. scalp, forehead, cheeks, forearms and legs). Some ESFC fields may have one or more smaller areas of biopsy-proven macroscopic invasive

Volumetric Modulated Arc Therapy. Volumetric Modulated Arc Therapy (VMAT) is a new type of IMRT. The linear accelerator rotates around the patient during treatment. The machine continuously reshapes and changes the intensity of the radiation beam as it moves around the body.

//&#;&#;Background. Compared to static beam Intensity-Modulated Radiation Therapy (IMRT), the main advantage of Volumetric Modulated Arc Therapy (VMAT) is a shortened delivery time, which leads to improved patient comfort and possibly smaller intra-fraction movements.

The volumetric modulated arc therapy has the potential to reduce treatment delivery time when compared to the intensity modulated radiotherapy. The volumetric modulated arc therapy can deliver the entire dose to the tumor in a -degree rotation in a small amount of time.

Popescu CC, Olivotto IA, Beckham WA, et al. Volumetric modulated arc therapy improves dosimetry and reduces treatment time compared to conventional intensity-modulated radiotherapy for locoregional radiotherapy of left-sided breast cancer and internal mammary nodes. Int J Radiat Oncol Biol Phys. ;:.

Volumetric modulated arc radiotherapy (VMAT) or Rapid Arc. VMAT is a type of IMRT technique. VMAT stands for Volumetric Arc Therapy. VMAT can also be called Rapid Arc. VMAT is different to normal IMRT in that the radiotherapy machine rotates around the patient during a

//&#;&#;Lalya I, Zaghba N, Andaloussi Saghir K, Elmarjany M, Baddouh L, Dahmani K, et al. Volumetric modulated arc therapy versus intensity modulated radiation therapy in the treatment of prostate cancer: A systematic literature review. Int J Radiol Radiat Oncol ;: .

This study aimed to compare different types of right breast cancer radiotherapy planning techniques and to estimate the whole-body effective doses and the critical organ absorbed doses. The three planning techniques are intensity-modulated radiotherapy (IMRT), volumetric modulated arc therapy (VMAT; two methods) and hybrid D-CRT/IMRT (three-dimensional conformal radiotherapy/intensity ...

Elektas VMAT - volumetric intensity modulated arc therapy is currently the only fully digital linear accelerator with D volumetric imaging and advanced treatment planning expertise. Through this new intensity-modulated radiation therapy (IMRT) treatment technique VMAT spares healthy tissue and delivers target coverage and patient safety.

Journal of Radiation Research, , , doi: /jrr/rrs Advance Access Publication November Volumetric intensity-modulated arc therapy vs conventional intensity-modulated radiation therapy in nasopharyngeal carcinoma: a dosimetric study Peter WHITE,*, Kit Chi CHAN, Ka Wai CHENG, Ka Yiu CHAN and Ming Chun CHAU Department of Health Technology and

Volumetric Modulated Arc Therapy. Volumetric Modulated Arc Therapy (VMAT) is a new type of IMRT. The linear accelerator rotates around the patient during treatment. The machine continuously reshapes and changes the intensity of the radiation beam as it moves around the body. Giving the radiotherapy in this way makes it very accurate, shortens ...

Volumetric modulated arc therapy (VMAT) also known as, intensity-modulated arc therapy (IMAT), delivers highly conformal dose distributions by combining gantry rotation and dynamic multileaf collimation. Instead of delivering intensity-modulated beams with fixed gantry angles, VMAT delivers optimized dose distributions by rotating the radiation beam around the patient.

//&#;&#;Purpose: The main purpose of this study is to perform the dosimetric comparison between Intensity modulated radiation therapy (IMRT) and Volumetric modulated arc therapy (VMAT) for the prostate cancer by using dose-volume histograms (DVH). Methods: IMRT plan and VMAT plan were generated using fields and arcs, respectively, for the total dose of Gy.