Introduction to Dosimetric Comparison

Dosimetric comparisons and gamma analysis between the calculated doses in different images were performed.

The aim of this study was to present our experience on clinical implementation of HyperArc including dosimetric comparison between VMAT and HyperArc plans and dosimetric verification of HyperArc.

The present review is devoted to PT usage in HNC treatment in the world and Russian medicine, the prospects for further technique development, the assessment of PT’s radiobiological features, a physical and dosimetric comparison of protons photons distribution.

The secondary endpoints were physician-assessed acute genitourinary (GU) toxicity, patient-reported outcomes evaluated by the EPIC and FACT-P questionnaires, and dosimetric comparison.

Methods On CT images of 10 patients with bilateral breast cancer, four Halcyon plans with different setup fields were generated, and dosimetric comparisons using Bonferroni’s multiple comparisons test were conducted among the four plans.

Dosimetric comparison of plans demonstrated significant superiority of IMRT plans parameters including coverage of planning target volume (PTV) of lymph nodes (95% of dose to 1395 cc vs.

For dosimetric comparison of sliding window IMRT techniques with RapidArc, a new set of plans were created using VMAT/RapidArc technique.

The purpose of this study was to do dosimetric comparison of with and without bolus plans in patient undergoing hypo fractionated PMRT and to assess acute toxicity of treatment.

91 cm used in the treatment planning system for dosimetric comparisons.

In addition, the dosimetric comparison of carbon ion radiotherapy and SBRT showed that a carbon ion beam could reduce the GI tract dose more than SBRT in a simulation study.

Dosimetric comparisons and normal tissue complication probability (NTCP) models were conducted.

METHODS On CT images of 10 patients with bilateral breast cancer, four Halcyon plans with different setup fields were generated, and dosimetric comparisons using Bonferroni's multiple comparisons test were conducted among the four plans.

Finally, dosimetric comparisons were performed in order to obtain how contour differences affect the target and organs at risk (OARs) doses.

The proposed method performance was ultimately benchmarked using the half beam block (HBB) and traditional three-field monoisocenter (TTM) methods by dosimetric comparison.

Additionally, assessments of acute toxicities and dosimetric comparisons to a standard radiotherapy plan were described (R-IDEAL Stage 2a).

For Planning Target Volume (PTV), the dose volume parameters D98% and D2% (dose received by the 98%, and 2% of the volume), homogeneity index, and Conformity Index (CI) were evaluated for dosimetric comparison.

The third clinical manuscript focuses on a dosimetric comparison of CT-guided 125I seed implantation assisted with and without 3D printing non-coplanar template in locally recurrent rectal cancer.

Dosimetric comparison was performed by recalculating the RT plans on the sCT after rigid registration.

The secondary endpoints were physician-assessed acute genitourinary (GU) toxicity, patient-reported outcomes evaluated by the EPIC and FACT-P questionnaires, and dosimetric comparison.

10, Philips Healthcare), dosimetric comparison was performed using main dose-volume histogram (DVH) endpoints in respect to ICRU 91 guidelines (Dmax, Dmean, D2%, D50%, D98%) as well as local and global gamma analysis with 1%/1 mm, 2%/1 mm and 2%/2 mm criteria and a 10% threshold to the maximum dose.

For dosimetric comparison, these treatment techniques were evaluated by dose-volume histogram (DVH) of PTV and OARs.

A dosimetric comparison was performed based on normal tissue complication probability (NTCP) for the lung and heart.

All patients treated by radiotherapy for Hodgkin's lymphoma with their TIVAD in the target volume were then reviewed to assess the clinical outcome and dosimetric comparison using different plan metrics.

Purpose: To investigate the dosimetric comparison of different collimators which are used in robotic radiosurgery (cyberknife-CK) and linear accelerator (LINAC) for stereotactic radiosurgery (SRS) in arteriovenous malformation (AVM).

Over the 126 adapted sessions from the 18 patients, dosimetric comparison of adapted against non-adapted plans wasdone.

Dosimetric comparisons to determine the optimal technique to minimize the normal tissue dose for left-sided breast cancers have not been performed.

The Wilcoxon signed-rank test was performed for the dosimetric comparisons between the two groups.

We aimed to evaluate the usefulness of spacer placement by conducting a simulation study of dosimetric comparison in a patient with sacral chordoma adjacent to the rectum treated with C-ion RT.

The EZF‐generated PTV eval is based on the volume encompassed by the tangents, and is not appropriate for dosimetric comparison to constraints for RTOG 1005 PTV eval.

Additionally, assessments of acute toxicities and dosimetric comparisons to a standard radiotherapy plan were described (R-IDEAL Stage 2a).

Ten previous patients with irradiated, intact, left-sided breast and Ph-DIBH were replanned with PBT for dosimetric comparison.

We perform a dosimetric comparison of proton and photon SBRT plans with Ti and CFR-PEEK implants for paraspinal SBRT treatments.

The dosimetric comparison revealed a statistically significant improvement in the ipsilateral lung V5Gy and V10Gy, and in the heart V5Gy of AP plans compared to MP plans, while statistical reduction was seen in PTV V107% for MP plans compared to AP plans.

METHODS Dosimetric comparisons between the two SBRT techniques in high- and low- to intermediate-dose regions were retrospectively performed using four planning indices and lung-dose parameters in 31 lung tumors.

Our goal was to provide a dosimetric comparison of a radiation therapy (RT) plan in a 4MV 3D-conformal RT (4MV-3DCR T) and experimental data measured in a breast phantom.

PURPOSE/OBJECTIVE(S) To report outcomes in patients with inoperable endometrial cancer (ECa) treated with definitive radiotherapy and perform a dosimetric comparison of organs at risk (OARs) for HDR brachytherapy (BT) vs SBRT boost in those who received combined external beam RT (EBRT)+BT treatment.

Dosimetric comparison (Table 1) demonstrated that the predicted doses had similar to improved PTV coverage and comparable dose to OARs, except for the femoral heads for which the model predicted higher D5's that still fell within dose constraint of < 50 Gy.

Conclusion Results of this dosimetric comparison clearly demonstrated the possibility of safe hemithoracic irradiation of medically/technically unresectable MPM patients with either of the two rotational RT techniques, namely the VMAT and HT.

without HGI in the VVS) for dosimetric comparison.

Monte Carlo (MC) simulations of the IMRT techniques and dosimetric comparison were also performed on a standard patient data.

For all 60 cases of three treatment sites, no notable differences were observed in the dosimetric comparison and the DVH variation between the beam-matched linacs.

Detailed volumetric comparison of the resulting target volumes was performed, as well as dosimetric comparison focusing on targets and the HB.

Dosimetric comparison was assessed for doses to targets and organs at risk (small bowel, bladder, external genitalia, and femoral heads).

Therefore, we performed the dosimetric comparison among 3-dimensional conformal radiotherapy (3D-CRT) and intensity-modulated radiotherapy (IMRT) plans, using deep-inspiration breath hold (DIBH) or free-breathing (FB) techniques, to determine the most optimal plan for gastric MALToma.

1 cc volumes of the rectum and bladder have been used for dosimetric comparison.

For dosimetric comparison, virtual SBRT treatment plans were generated using the original BT planning CTs.

Methods Eight patients with acute leukemia at an average height of about 120 cm who had undergone TBI in the first affiliated hospital of Zhengzhou university were retrospectively reviewed and replanned with the TD and HT techniques for dosimetric comparison.

The differences between the single- and dual-isocentric plans for IMRT and VMAT were compared, and the plan with the better quality was selected for further dosimetric comparisons with IMPT and HT.

We present our seven-year experience of using moderate deep inspiration breath-hold (mDIBH) with an active breathing control (ABC) device for patients with early-stage breast cancer and dosimetric comparison to evaluate the benefit of mDIBH on the heart, lung, and liver.

Dosimetric comparison of MP - VMAT to single energy VMAT demonstrated potential advantages of using mixed photon energy beams for prostate plans, thus providing an impetus for further testing on a large clinical cohort.

Materials and Methods: This is a single-institute, dosimetric comparison study done prospectively.

The real treatment plans which were delivered to patients were designed on the Siemens Syngo planning system while the control plans for dosimetric comparison were generated from the Varian Medical Systems.

Dosimetric comparisons of 10 patients each with breast, stage III lung, prostate, head and neck, and cervical cancers were carried out (total 100 plans).

METHODS A dosimetric comparison of SLRs and LRs was made using Monte Carlo methods.

We describe how to safely treat a retroperitoneal target to a prescription dose over 70 Gy (relative biological effectiveness) with spot-scanning proton beam therapy and also report a dosimetric comparison of spot-scanning proton beam therapy versus intensity-modulated radiation therapy.

METHODS AND MATERIALS A dosimetric comparison between the INTRABEAM and Axxent to the proximal 1.

Dosimetric comparisons were performed based on dose-volume parameters and the gamma analysis.

Treatment times, patient outcomes, and dosimetric comparisons were prospectively recorded.

This review describes the main structure of the ViewRay system, and summarizes quality assurance (QA), dosimetric comparison, respiratory motion management, online adaptive radiotherapy, and preliminary treatment effect.

This is the first study that reports the dosimetric comparison between the AP-PA techniques and the new 3D advanced conformal technique (3D-ACT) based on the multiplicity of treatment fields in patients with squamous cell cancer of the vulva in the postoperative setting.

Then, dosimetric comparisons with the standard treatment plan and, for the second patient, also with an isocenter shift correction, were performed.

Dosimetric comparison of HIPO (hybrid inverse planning optimisation) and IPSA (inverse planning simulated annealing) inverse and forward optimisation (FO) methods in brachytherapy (BT) of breast, cervical and prostate cancer.

Present study is done for dosimetric comparison of Planning Target Volume (PTV) and Organs at Risk (OAR) in cancer cervix patients treated with conventional and conformal radiotherapy along with clinical correlation in terms of side effects and tumor response.

The present study is a dosimetric comparison of computed tomography (CT)-based mould brachytherapy treatment plans with 3D conformal electron beam therapy in the treatment of non-melanoma skin cancers (NMSC).

The dosimetric comparison showed consistent results for all plans using our synthetic CT, deformed planning CT and MRCAT CT.

In addition, in a dosimetric comparison among treatment plans from different RT techniques (photons, protons, and carbon ions) within a prospective multicentric trial focused on combined treatment modalities for SNCs (ClinicalTrials.

This study was aimed to do a dosimetric comparison between the large and shorter spinal arc for CSI.

Dosimetric comparisons between proton and photon SRS delivery have revealed superior normal tissue-sparing effect of protons, predominantly seen with large and irregularly shaped lesions, and most obvious in the low isodose regions.

This study presents a dosimetric comparison of an MRI-guided strategy with a LOP strategy taking intrafraction anatomical changes into account.

The dosimetric comparison was performed on target coverage, dosimetric indicators, and low dose diffusion.

Dosimetric comparison was done in terms of planning target volume (PTV) coverage, sparing of organ at risk (OAR), homogeneity index (HI), conformity index (CI), and monitor units (MUs).

The dosimetric comparison involved target coverage, conformity (CI), gradient (GI) and homogeneity indexes, specific indicators of dose to OARs and number of nodes, beams, MU and delivery time.

Methods: Dosimetric comparisons were performed retrospectively for 20 patients correlating the dose reduction and patient anatomical factors (anatomical variation of chest shape, chest wall separation, total lung volume (TLV) and others).

Dosimetric comparison between IMRT and 3DCRT technique was done and correlated to toxicity.

Dosimetric comparisons were made between national protocol HN001 and our contouring strategies on a representative early- and advanced-stage NPC.

We specifically reported clinical results achieved with PBT and dosimetric comparisons between PBT and the most common photon-therapy techniques.