2017
DOI: 10.1016/j.rpor.2016.09.010
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Dosimetric influence of filtered and flattening filter free photon beam on rapid arc (RA) radiotherapy planning in case of cervix carcinoma

Abstract: Rapid arc plansBackground: FFF photon beams enhances the treatment delivery by increased dose rate which

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Cited by 20 publications
(7 citation statements)
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“…The total monitor units (MUs) for the FFF plans were significantly greater than the 6 MV plans (p = 6.1 × 10 −5 ). This is in agreement with Kumar et al [14] where it was concluded that FFF plans require more numbers of monitor units in comparison to conventional filtered beams. Ahamed et al [15] reported that there was an increase of 20.5% and 43.7% in MUs for FFF of 6 and 10 MV respectively in comparison to flattened beams of 6 and 10 MV.…”
Section: Discussionsupporting
confidence: 92%
“…The total monitor units (MUs) for the FFF plans were significantly greater than the 6 MV plans (p = 6.1 × 10 −5 ). This is in agreement with Kumar et al [14] where it was concluded that FFF plans require more numbers of monitor units in comparison to conventional filtered beams. Ahamed et al [15] reported that there was an increase of 20.5% and 43.7% in MUs for FFF of 6 and 10 MV respectively in comparison to flattened beams of 6 and 10 MV.…”
Section: Discussionsupporting
confidence: 92%
“…Differences in the temperature history experienced by a normoxic polymer gel formulation after its fabrication may influence the spatial uniformity of the gel phantom [28,29]. Fig 2 shows the scanning results of the reference image of the gel phantom (Fig 2A).…”
Section: Resultsmentioning
confidence: 99%
“…The dose distribution was estimated utilizing the homogeneity index (HI), expressed as (D 2% −D 98% )/D 50% ,[ 18 ] and conformity index (CI), expressed as (95% isodose volume/PTV volume). [ 19 ] The dose falloff around the PTV was assessed using gradient measure (GM),[ 20 ] defined as the ratio of 50% and 100% prescription isodose volumes. The integral dose to the healthy tissue, i.e., normal tissue integral dose (NTID) is defined as area under the plot of differential absolute-dose, absolute-volume.…”
Section: Aterials and M Ethodsmentioning
confidence: 99%