Small-arc volumetric-modulated arc therapy: A new Abstract. Volumetric-modulated arc therapy (VMAT) is considered to deliver a better dose distribution and to shorten treatment time. There is a lack of research regarding breast pubmed.ncbi.nlm.nih.govVolumetric modulated arc therapy: a review of current literature and

Small-arc volumetric-modulated arc therapy: A new CI = conformal index, IMRT = intensity-modulated radiation therapy, PTV = planned target volume, VMAT = volumetric-modulated arc therapy. The types of plan were generated by

Small-arc volumetric-modulated arc therapy: A new The small-arc VMAT plan used nearly symmetrical partial arcs. The average angle ranges for the arcs were &#; to &#; and &#; to &#;; to reduce the exposure of OARs, small

Small-arc volumetric-modulated arc therapy | Semantic Small-arc VMAT plan improved CI and HI for the target, spared the dose of lung, and reduced treatment time and MU, compared to IMRT, is a more promising irradiation technique for post

Small-Arc volumetric-modulated arc therapy A new We developed a new small-arc VMAT methodology and compared it to conventional (fixed-field) intensity-modulated radiation therapy (IMRT) in the dosimetric and treatment relevant

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

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

Volumetric Modulated Arc Therapy (VMAT) | OncoLinkLast Reviewed: May , . Volumetric Modulated Arc Therapy (VMAT) is a type of image-guided and intensity-modulated radiation therapy (IMRT) that become widely used in the

Potential benefits of volumetric modulated arc therapy to Background: The use of volumetric modulated arc therapy is gradually widespread for locally advanced non-small cell lung cancer. The purpose of this study was to identify the factors that

Evaluation of Hybrid Arc and Volumetric-Modulated Arc The differences of conformity index, gradient index, and homogeneity index between hybrid arc and volumetric-modulated arc therapy plans are small: . &#; ., . &#; ., and . &#;

Small-arc volumetric-modulated arc therapy: A new -- &#; We developed a new small-arc VMAT methodology and compared it to conventional (fixed-field) intensity-modulated radiation therapy (IMRT) in the dosimetric and treatment relevant parameters for breast cancer patients in the prone position.Ten early-stage breast cancer patients were included in this exploratory study.

Small-arc volumetric-modulated arc therapy | Semantic Small-arc VMAT plan improved CI and HI for the target, spared the dose of lung, and reduced treatment time and MU, compared to IMRT, is a more promising irradiation technique for post-BCS radiotherapy. AbstractVolumetric-modulated arc therapy (VMAT) is considered to deliver a better dose distribution and to shorten treatment time. There is a lack of research regarding

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.

Volumetric Modulated Arc Therapy (VMAT)  &#; Volumetric Modulated Arc Therapy (VMAT) focuses the radiation on the tumor while protecting healthy tissues. Each Volumetric Modulated Arc Therapy (VMAT) treatment is completed in less than two minutes. Faster treatments

[PDF]Medicine - ResearchGateVolumetric-modulated arc therapy (VMAT), a novel intensi- ty-modulated technique, can precisely and accurately deliver radiation dose by dynamic adjustment of multileave collimators

Commissioning of Volumetric Modulated Arc Therapy -- &#; Volumetric modulated arc therapy (VMAT) consists of treating the patient by means of one or more gantry arcs with continuously varying beam aperture, gantry speed and dose rate , .

Evaluation of Hybrid Arc and Volumetric-Modulated Arc -- &#; The differences of conformity index, gradient index, and homogeneity index between hybrid arc and volumetric-modulated arc therapy plans are small: . &#; ., . &#; ., and . &#; ., respectively. The maximum doses in organs at risks are similar between hybrid arc and volumetric-modulated arc therapy plans.

Is a single arc sufficient in volumetric-modulated arc -- &#; The average number of MUs was &#; in the ss-IMRT plans; the number of MU was reduced by about % for single arc VMAT plans, increased by % in double arc VMAT plans and increased by % in the triple arc VMAT plans ( Table ). Table . Results of treatment planning for postoperative radiotherapy for laryngeal or pharyngeal cancer.

Volumetric Modulated Arc Therapy vs. c-IMRT for the -- &#; Four plans were generated for each patient: c-IMRT with fields (F) and VMAT with a single arc (A), two arcs (A), or three arcs (A). The prescribed doses were Gy/ F for the primary tumor (PTV). The dose-volume histogram data, the number of monitoring units (MUs) and the treatment time (TT) for the different plans were compared. Results

Varian Edge--- &#; ，（Volumetric modulated arc therapy，VMAT），Eclipse ..，SPSS . ，GraphPad prism .，NewPlanAutoPlan。 ：

Small-Arc volumetric-modulated arc therapy A -- &#; We developed a new small-arc VMAT methodology and compared it to conventional (fixed-field) intensity-modulated radiation therapy (IMRT) in the dosimetric and treatment relevant parameters

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.

Volumetric Modulated Arc Therapy (VMAT) | OncoLink-- &#; Volumetric Modulated Arc Therapy (VMAT) is a type of image-guided and intensity-modulated radiation therapy (IMRT) that become widely used in the s. RapidArc is a brand of VMAT from a company that makes linear accelerators (machines used to deliver radiation). Your provider may use the names VMAT or RapidArc.

[PDF]Medicine - ResearchGateSmall-arc volumetric-modulated arc therapy A new approach that is superior to fixed-field IMRT in optimizing dosimetric and treatment-relevant parameters for patients

Volumetric-modulated Arc Therapy Lung Stereotactic Volumetric-modulated arc therapy In the present study, given the small PTV size, each film strip was cut in half lengthwise, thus making two pieces measuring cm &#; cm. Each of these halves was sufficient for QA testing. These were then cut into three pieces: one measuring cm &#; cm for the treatment plan QA, and two measuring

Commissioning of Volumetric Modulated Arc Therapy -- &#; Volumetric modulated arc therapy (VMAT) consists of treating the patient by means of one or more gantry arcs with continuously varying beam aperture, gantry speed and dose rate , .

Volumetric Modulated Arc Therapy vs. c-IMRT for the -- &#; Four plans were generated for each patient: c-IMRT with fields (F) and VMAT with a single arc (A), two arcs (A), or three arcs (A). The prescribed doses were Gy/ F for the primary tumor (PTV). The dose-volume histogram data, the number of monitoring units (MUs) and the treatment time (TT) for the different plans were compared. Results

Evaluation of Hybrid Arc and Volumetric-Modulated Arc -- &#; The differences of conformity index, gradient index, and homogeneity index between hybrid arc and volumetric-modulated arc therapy plans are small: . &#; ., . &#; ., and . &#; ., respectively. The maximum doses in organs at risks are similar between hybrid arc and volumetric-modulated arc therapy plans.

Volumetric Modulated Arc Therapy - [PDF Document]-- &#; Advantages of modulated arc treatment Speed of delivery (MLC travel optimized, ref) Less MU, less secondary dose to normal tissue and hence lowprobability for secondary cancer (Aperture based optimization, ref) Potential for improved optimization due to increased number ofbeam directions Less wear on MLC .

Varian Edge--- &#; ，（Volumetric modulated arc therapy，VMAT），Eclipse ..，SPSS . ，GraphPad prism .，NewPlanAutoPlan。 ：