Volumetric Modulated Arc Therapy
Predicting Delivery Error Using a DICOM RT Plan for Volumetric Modulated Arc Therapy
... Volumetric-modulated arc therapy (VMAT) is the administration of intensity-modulated radiotherapy (IMRT) in a single gantry arc, in which gantry speed, dose rate, and multileaf ...
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Partial and Full Arc Volumetric Modulated Arc Therapy in Lung Cancer Stereotactic Body Radiotherapy with Different Definitions of Internal Target Volume Based on 4D CT
... Recently there has been much interest in mitigating the risks associated with SBRT by delivering stereotactic doses through different techniques other than static noncoplanar/planer 3DCRT beams, such as intensity ...
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Dosimetric accuracy of dynamic couch rotation during volumetric modulated arc therapy (DCR-VMAT) for primary brain tumours.
... during volumetric modulated arc therapy (DCR-VMAT) improve organ at risk (OAR) sparing over coplanar VMAT, while maintaining planning target volume (PTV) dose coverage (Podgorsak et al 1988, ...
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A Half Arc Multiple Deep Inspiration Breath Hold Volumetric Modulated Arc Therapy for a Lung Tumor with 10 MV Flattening Filter Free Beams and an Image Sensor Measuring a Distance Map to Thorax Surface: An Initial Clinical Experience
... whereas volumetric modulated arc therapy (VMAT) with 10 MV flat- tening-filter-free (FFF) beams were also used to minimize the number of breath- holds and thus the total delivery ...
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<p>Comparison of Radiation-Induced Secondary Malignancy Risk Between Sequential and Simultaneous Integrated Boost for the Treatment of Nasopharyngeal Carcinoma: Intensity-Modulated Radiotherapy versus Volumetric-Modulated Arc Therapy</p>
... Radiotherapy (RT) is an essential component of cura- tive-intent treatment for NPC, and stage I disease is treated with RT alone. 2,3 The anatomical locations and proximities of numerous organs at risk (OARs) make RT for ...
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Dosimetric Advantages of Volumetric Modulated Arc Therapy Based Coronal Arc Delivery Technique in Brain Stereotactic Radiosurgery: A Feasibility Study
... Intensity modulated radiation therapy (IMRT) [6] represents a major im- provement over traditional forward planning techniques by utilizing compute- rized inverse planning and modulating the intensity of ...
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Quality of treatment plans and accuracy of in vivo portal dosimetry in hybrid intensity-modulated radiation therapy and volumetric modulated arc therapy for prostate cancer.
... of volumetric modulated arc therapy (VMAT) that there might be a role for a mixture of intensity-modulated arc therapy (IMRT) and VMAT beams in a hybrid approach ...hybrid ...
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<p>Association of lung and heart dose with survival in patients with non-small cell lung cancer underwent volumetric modulated arc therapy</p>
... Results: There were 130 NSCLC patients enrolled in this study with a median age of 63 years (range from 34 to 82 y). The median prescription dose for these patients was 56 Gy (range 40 – 70 Gy) with a mean heart and lung ...
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Effective heart sparing whole lung irradiation using volumetric modulated arc therapy: a case report
... The use of volumetric modulated arc therapy (VMAT) has increased steadily in external beam radiotherapy. VMAT is a radiation technique that delivers highly con- formal dose distributions ...
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Volumetric modulated arc therapy for thoracic node metastases: a safe and effective treatment for a neglected disease
... al. Volumetric modulated arc therapy with flattening filter free beams for isolated abdominal/pelvic lymph nodes: report of dosimetric and early clinical results in oligometastatic ...
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Dosimetric comparison of volumetric-modulated arc therapy and intensity-modulated radiation therapy in patients with cervical cancer: a meta-analysis
... Background: Intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT) are two of the main treatment techniques for cervical cancer. Whether either ...
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View of Retrospective Dosimetric analysis of Bone marrow sparing vs non bone marrow sparing Image Guided Volumetric Modulated Arc Therapy in intact Carcinoma Cervix patients | Journal of Current Medical Research and Opinion
... usage of image guided volumetric modulated arc therapy technique (IG/VMAT) is on raise in recent times and its role is well established [13].Aim of the present study is to in- vestigate Dose ...
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Dosimetric Comparison between Bone and Target Matching Considering Interfractional Prostate Motion in Volumetric Modulated Arc Therapy
... Adequate matching methods are critical for accurate volumetric-modulated arc therapy (VMAT). We investigated the dosimetric differences in the target and organs at risk (OARs) between bone ...
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Fully automated, multi-criterial planning for Volumetric Modulated Arc Therapy - An international multi-center validation for prostate cancer
... Radiation Therapy (IMRT) plans using a fixed planning ...or Volumetric Modulated Arc Therapy (VMAT) plans with manually generated plans for treatment of the prostate and seminal 65 ...
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Assessment of the robustness of volumetric-modulated arc therapy for lung radiotherapy
... Volumetric-modulated arc therapy (VMAT) is be- coming increasingly popular as a treatment method in radiotherapy owing to the speed with which treatments can be delivered [1, 2] and the benefit ...
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The Effect of Treatment Position on Rectal and Bladder Dose Volume Histograms for Prostate Radiotherapy Planned with 3 Dimensional Conformal Radiotherapy, Intensity Modulated Radiotherapy and Volumetric Modulated Arc Therapy
... radiation therapy (RT) for prostate cancer has been widely used as an important option for radical treatment, and higher dose delivery to the prostate has been known to improve ...and volumetric ...
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Developing a class solution for Prostate Stereotactic Ablative Body Radiotherapy (SABR) using Volumetric Modulated Arc Therapy (VMAT)
... In conclusion, delivering prostate SABR using VMAT offers dose escalation, the theoretical benefits of hypofractionation, the conve- nience of a few fraction treatment, and the highly conformal plans, MU efficiency and ...
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Dosimetric Comparison of Volumetric Modulated Arc Therapy (VMAT), 5F Intensity Modulated Radiotherapy (IMRT) and 3D Conformal Radiotherapy (3DCRT) in Rectal Carcinoma Receiving Neoadjuvant Chemoradiotherapy
... VMAT is a promising technique, providing efficient and precise irradiation to target volume with linear accele- rator rotating a perfect 360 ˚ arc [10]. When compared with conventional IMRT, VMAT was investigated ...
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Non-coplanar trajectories to improve organ at risk sparing in volumetric modulated arc therapy for primary brain tumors.
... single arc with 180 control points, however to avoid bias due to the additional degrees of freedom available to non-coplanar methods, dual arc coplanar plans with 360 control points were also ...
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Volumetric modulated arc therapy for treatment of solid tumors: current insights
... In the last decade, technological improvements in setup, imaging, accuracy in dose delivery, and the ability to com- pensate for respiratory motion have led to a widespread clinical implementation of stereotactic body ...
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