with volumetric modulated arc therapy

Volumetric modulated arc therapy: a review of current Volumetric modulated arc therapy (VMAT) is a novel radiation technique, which can achieve highly conformal dose distributions with improved target volume coverage and sparing of normal tissues compared with conventional radiotherapy techniques. VMAT also has the : M Teoh, C H Clark, K Wood, S Whitaker, A Nisbet

Volumetric Modulated Arc Therapy - an overviewVolumetric modulated arc therapy (VMAT) is a new radiotherapy technique which allows to achieve treatment plans of similar or improved quality compared to fixed-field intensity Tomotherapy &#; View article

Volumetric Modulated Arc Therapy (VMAT) - Cleveland Clinic-- &#; Volumetric Modulated Arc Therapy (VMAT) beams can be as small as . x millimeters. That’s the size of a pencil tip! The idea is to deliver the maximum dose of

Cranio-spinal irradiation with volumetric modulated arc Purpose: To report the treatment of cranio-spinal irradiation (CSI) with volumetric modulated arc therapy (RapidArc) in adults and a child. Materials and methods: Five patients from : Antonella Fogliata, Stefan Bergstr&#;m, Ines Cafaro, Alessandro Clivio, Luca Cozzi, Giovanna Dipasqual

Volumetric Modulated Arc Therapy - an overviewIn recent years, the combination of IMRT delivery and optimization methods with arc therapy, called Volumetric Modulated Arc Therapy (VMAT), has become an important

Total body irradiation with volumetric modulated arc -- &#; Total body irradiation with volumetric modulated arc therapy: Dosimetric data and first clinical experience Radiat Oncol. Mar ;:. doi: ./s-

Hypofractionated Radiotherapy With Volumetric -- &#; Hypofractionated Radiotherapy With Volumetric Modulated Arc Therapy Decreases Postoperative Complications in Prosthetic Breast Reconstructions: A

Cranio-spinal irradiation with volumetric modulated arc -- &#; Volumetric modulated arc therapy (VMAT) delivers the dose to the PTV in a single source rotation with a volumetric approach. The Varian solution for VMAT,

Feasibility study of volumetric modulated arc therapy with -- &#; The use of total body irradiation (TBI) with linac-based volumetric modulated arc therapy (VMAT) has been steadily increasing. Helical tomotherapy has been applied

Divided target optimization with volumetric modulated arc -- &#; The planning modality was Volumetric Modulated Arc Therapy, and the dose prescription was Gray in fractions. In this study, we attempted to replan by dividing

Volumetric modulated arc therapy: a dosimetric -- &#; Volumetric modulated arc therapy (VMAT) is more advanced technique than IMRT in which the gantry speed, multileaf collimator (MLC) leaf position and dose rate vary continuously during delivery. This study was undertaken to compare the plan quality, delivery efficiencies and performance of two different IMRT delivery techniques, dMLC

Volumetric-modulated arc therapy with RapidArc&#;: An -- &#; To evaluate how the use of volumetric-modulated arc therapy (VMAT) with RapidArc&#; can improve treatment delivery efficiency based on the analysis of t

Volumetric modulated arc therapy: IMRT in a single gantry -- &#; The technique is referred to as volumetric modulated arc therapy (VMAT). Recently, on-line imaging techniques have provided clinicians with additional tools for verifying patient position and adapting treatment plans. – Employing these technologies will require additional time for image acquisition,

Volumetric Modulated Arc Therapy for Delivery of-- &#; Volumetric modulated arc therapy is a novel form of RT delivery that allows the radiation dose to be delivered in a single &#; gantry rotation. In treatment planning for prostate cancer, IMRT and VMAT both produced dose distributions more favorable than could be achieved with D-CRT. vdr-VMAT had the added advantage of reducing the

Application of volumetric modulated arc therapy (VMAT) -- &#; Volumetric modulated arc therapy (VMAT) allows irradiation with simultaneously varying dose rate, gantry speed, collimator, and leaf positions. It has been first introduced by Otto in and implemented for Varian

Feasibility study of volumetric modulated arc therapy with -- &#; Background The use of total body irradiation (TBI) with linac-based volumetric modulated arc therapy (VMAT) has been steadily increasing. Helical tomotherapy has been applied in TBI and total marrow irradiation to reduce the dose to critical organs, especially the lungs. However, the methodology of TBI with Halcyon™ linac remains unclear. This

Evaluation of Hybrid Arc and Volumetric-Modulated Arc -- &#; Volumetric-modulated arc therapy treatment plans were generated using a Varian Eclipse TPS (Version .) with to noncoplanar VMAT arcs, which were in the same geometry as the dynamic arcs in HA plans. Planning computed tomography image slice thickness was . mm. Density correction was applied and a grid size of mm

Treatment planning comparison of volumetric modulated -- &#; The Halcyon is a new machine from the Varian company. The purpose of this study was to evaluate the dosimetry of the Halcyon in treatment of bilateral breast cancer with volumetric modulated arc therapy. On CT images of patients with bilateral breast cancer, four Halcyon plans with different setup fields were generated, and dosimetric

Stereotactic ablative radiation therapy with volumetric -- &#; However, new-generation linear accelerators (linacs) are available at most cancer centers and are equipped with online-imaging capabilities and efficient dose-delivery methods ideal for SABR, which makes them a potentially more accessible option. These units are capable of delivering volumetric modulated arc therapy (VMAT), which recently

Intensity-modulated radiotherapy, volume-modulated arc In , volumetric-modulated arc therapy (VMAT) was first introduced to overcome the above drawbacks of IMRT. VMAT can generate precise conformal dose distribution by variability of multi-leaf collimator (MLC) position, dose rate and gantry rotation speed with continuous modulation during a single &#;rotation.

Volumetric Modulated Arc Therapy | Naples | Inspire Volumetric Modulated Arc Therapy. External beam radiation therapy comes from a machine that aims radiation at your cancer. It is a local treatment, which means it treats a specific part of your body. For example, if you have cancer in your lung, you will have radiation only to your chest, not to your whole body.

Volumetric modulated arc therapy: IMRT in a single gantry -- &#; Purpose: Volumetric modulated arc therapy (VMAT) is a specific type of intensity-modulated radiation therapy (IMRT) in which the gantry speed, multileaf collimator (MLC) leaf position, and dose rate vary continuously during delivery. A treatment planning system for VMAT is presented. Methods: Arc control points are created uniformly

Volumetric Modulated Arc Therapy (VMAT) Treatment -- &#; Purpose: Volumetric modulated arc therapy (VMAT), the predecessor to Varian's RapidArc, is a novel extension of intensity-modulated radiotherapy (IMRT) wherein the dose is delivered in a single gantry rotation while the multileaf collimator leaves are in motion. Leaf positions and the weights of field samples along the arc are directly

(PDF) Volumetric modulated arc therapy: a dosimetric-- &#; Aim The aim of this study was to compare volumetric modulated arc therapy (VMAT) with dynamic intensity-modulated radiation therapy (dIMRT) and step-and-shoot IMRT (ssIMRT) for different treatment

Volumetric-modulated arc therapy for oropharyngeal -- &#; Europe PMC is an archive of life sciences journal literature. The purpose of this study is to evaluate the treatment plan adequacy and delivery efficiency among volumetric-modulated arc therapy (VMAT) with one or two arcs and the conventional static-field dynamic multileaf collimator (dMLC) intensity-modulated radiation therapy (IMRT) in

Volumetric modulated arc therapy for total body -- &#; Total marrow irradiation (TMI) utilizes HT , , or volumetric modulated arc therapy (VMAT) on conventional linacs - to treat the bone marrow itself, while reducing dose to the surrounding organs at risk and healthy tissue. Total marrow plus lymphoid irradiation (TMLI) targets the total marrow volume plus major lymph node chains, liver

Comparison of volumetric modulated arc therapy and -- &#; In this study, fully automated multi-criterial plan optimization, generating a single high-quality, Pareto-optimal plan per patient and treatment technique, was used to compare for a large patient cohort ) intensity modulated radiotherapy (IMRT) with two tangential fields and ) volumetric modulated arc therapy (VMAT) with two small tangential

Planning strategies in volumetric modulated arc therapy -- &#; Purpose: In breast radiotherapy with intensity modulation, it is a well established practice to extend the dose fluence outside the limit of the body contour to account for small changes in size and position of the target and the rest of the tissues due to respiration or to possible oedema. A simple approach is not applicable with RapidArc volumetric

Treatment plan comparison of volumetric‐modulated arc -- &#; The aim of this study was to dosimetrically compare volumetric-modulated arc therapy (VMAT) with intensity-modulated radiotherapy (IMRT) techniques using either - or -MV photon beam energies in lung stereotactic body

Intensity-modulated radiotherapy, volume-modulated arc In , volumetric-modulated arc therapy (VMAT) was first introduced to overcome the above drawbacks of IMRT. VMAT can generate precise conformal dose distribution by variability of multi-leaf collimator (MLC) position, dose rate and gantry rotation speed with continuous modulation during a single &#;rotation.