WebMar 2, 2024 · The light green circles represent the UAB data set that includes both single and single isocenter multiple target cases treated with 10X-FFF beams and VMAT delivery with R50% <16. 11 The black triangles represent the Zhao data set that includes single target cases treated with 6X beams for dynamic conformal arc delivery. 5 The dashed … WebAug 15, 2016 · Purpose: The purpose of this study is to access VMAT-SABR plan using flattening filter (FF) and flattening filter-free (FFF) beam, and compare the verification results for all pretreatment plans. Methods: SABR plans for 20 prostate patients were optimized in the Eclipse treatment planning system.
The effect of beam interruption during FFF-VMAT plans for SBRT
WebMay 14, 2024 · It has been reported that volumetric modulated arc therapy (VMAT) treatments delivered using flattening filter free (FFF) beams may bring improvements in … WebMay 7, 2024 · The volume covered by 105% isodose lines of the FFF-VMAT plan was significantly higher than that of the FF-VMAT plan. The FFF-VMAT plan required a higher monitor unit (t = 11.49, P = 0.002) and shorter beam-on time (t = 5.78, P = 0.001) compared with the FF-VMAT plan. There were no significant differences in the absolute volume … glaxosmithkline locations uk
A dosimetric comparison of flattening filter free and …
WebThirty-five VMAT-based intracranial SRS treatments to multiple brain metastases using a 2.5 mm multileaf collimator (MLC) and 10 MV FFF beam were replanned with a 6 MV FFF and same MLC. The replans incorporated the same arc arrangement, planning target volume (PTV) and organs at risk structures, PTV coverage and prescription isodose normalization. WebFFF-VMAT for SBRT of lung lesions: Improves dose coverage at tumor-lung interface compared to flattened beams. While prescribing dose to the tumor periphery, 6X-FFF … WebVMAT plans were prepared with 6MV-FFF or 10MV-FFF energies for 25 intracranial and extracranial stereotactic patients. Absolute dose was measured for dose verification in each plans. Iba CC01, Iba CC04, Iba CC13 ion chambers placed at a depth of 5cm in solid phantom (RW3). Also we scanned this phantom with ion chambers by Siemens Biograph … body creations gym richmond va