“…Plans were of similar quality as per the result of the blinded review which was conducted by slice-by-slice evaluation of dose distribution for target coverage, overdose volume and dose to the OARs. However, it was also observed that treatment times in terms of monitoring units (MUs) and complexity indices are more in CLIs as compared with KBPs (p<0.001). …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…The patients were scanned with uRT-Linac 506c KV-FBCT then the target volume (TV) and organs at risk (OARs) were delineated by doctors. The dosimeters designed and obtained a routine plan (Plan0). …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Dosimetric analysis of treatment plans and critical adjacent OARs was performed. RESULTS: At a median follow up time of 13 months, 1- and 3-year OS, PFS, and LC were 89%/63%, 37%/18%, and 84%/65%, respectively. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…RESULTS: The study showed statistically significant improvements in AP-VMAT plans compared to HT for OARs (Organs At Risk) mean dose, except for the heart and ipsilateral lung. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Other parameters included the conformal index (CI), homogeneity index (HI), and hot spot (V(110%)) for the planned target volume (PTV) as well as the monitor units (MUs) for plan efficiency, the mean dose (D(mean)) for the organs at risk (OARs) and the maximal dose at 1% volume (D(1%)) for the spinal cord. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…All high dose areas were outside the lungs and other OARs. The planned dose was in line with the measured dose via MOSFETs: in the axilla the mean difference between calculated and measured dose was 3.6 % (range 1.1–6.8 %), and for the wrist/hip-inguinal region it was 4.3 % (range 1.1–8.1 %). …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Dosimetric outcomes of the IS BT including the total dose (external beam radiotherapy and high dose-rate BT) D90 for the high-risk clinical target volume (HR-CTV) and D2cc for the organs at risk (OARs) were investigated and compared with a former patient group consisting of 30 individuals who received the conventional intracavitary (IC) BT. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…However, there was no significant difference in CIs and organs at risks (OARs) DVH. The relative changes in tumor size and CT values of the three patients in follow up were up to the Choi criteria and the three patients were all assessed as partial response. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Materials and Methods: The segmentation indicated that there were potentially 15 organs at risk (OARs) in the head and neck of dogs. Post-contrast computed tomography (CT) was performed in 90 dogs. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…The average gamma pass rate over all treatment plans (2%/ 2 mm) was 88.8% ± 8.3, while treatment plans for motion amplitudes larger than 1 mm performed worse. For organs at risk (OARs), the median ΔD(2%) was below 3%, but for single patients, essential changes, e.g., up to 160% for the stomach were observed. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…The robustly optimized plans met all the dose-volume-constraints (DVCs) for the targets and OARs per our institutional protocols. The mean calculation time for 13 influence matrices in robust optimization by VPMC was 41.6 seconds and the subsequent on-the-fly “trial-and-error” optimization procedure took only 71.4 seconds on average for the selected three patients. …”
Enlace del recurso
Enlace del recurso

“…The average difference in predicting the D (99) index for all targets was 0.92 Gy (p = 0.51) for attention Res U‐Net, 0.94 Gy (p = 0.40) for Res U‐Net, 2.94 Gy (p = 0.09) for attention U‐Net, and 3.51 Gy (p = 0.08) for U‐Net. For the OARs, the values for the [Formula: see text] and [Formula: see text] indices were 2.72 Gy (p < 0.01) for attention Res U‐Net, 2.94 Gy (p < 0.01) for Res U‐Net, 1.10 Gy (p < 0.01) for attention U‐Net, 0.84 Gy (p < 0.29) for U‐Net. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…MRI-guided linear accelerators (MRLs) allow clinicians to visualize tumors and organs at risk (OARs) directly before and during treatment, a process known as online MRgRT. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…The mean percentage for the non-target PTV V95% was 93.7 ± 9.2% before and 96.6 ± 4.9%after the introduction of guidelines for the 3DCRT, for RA the increase was more relevant, passing from 86.5 ± 13.8% (pre) to 94.5 ± 7.5% (post). The OARs were maximally spared with VMAT technique while the variability between pre and post guidelines was not relevant in both techniques. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…CONCLUSION: VMAT treatment of LARC in preoperative CRT revealed a reduction of dose to organs at risk (OARs) as bladder and femoral heads. However, no changes in acute and long-term toxicity profiles were detectable. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…The target coverage, homogeneity index (HI) and conformity index (CI) of the planning target volume (PTV), organs at risk (OARs) sparing, average treatment time and clinical outcomes were analyzed. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Prototype applicators were designed initially using tungsten trimmers of constant thickness (1% electron transmission) and cross‐sections with inner and outer edges positioned at 95% and 2% off‐axis ratios (OARs), respectively, cast by the upstream collimating component. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Regarding the organs at risk (OARs), median percentage differences for breast V(50%) were 3% (5%) for (60)Co ((192)Ir). …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…The average dose (D(mean)) and dose received by 1% (D(1)) of the planning target volumes (PTVs) and organs at risks (OARs) calculated using the treatment planning system (TPS) were compared to a computed (model‐based) and reconstructed dose, from the measured fluence, using DVH analysis. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Considering the parameters of the organs-at-risk (OARs), CDCB(10,15,20) had higher expectative values than the other techniques (p = 0.01). …”
Enlace del recurso
Enlace del recurso
Enlace del recurso