Relationship between the Patients' Setup Errors with Dosimetric and ...

On target: ensuring geometric accuracy in radiotherapy - IPEM

4 Derivation of systematic and random set-up errors and relationship to the CTV-PTV margin ... A protocol for the reduction of systematic patient setup errors ...

EFFECT OF PATIENT SETUP ERRORS ON SIMULTANEOUSLY ...

observed dose deviations greater than 5% for the !"#" 3.0 mm simulations to 5.4% of the plans simulated. Conclusions: Head-and-neck SIB-IMRT dosimetric accuracy ...

Quantitative assessment of dosimetric effect of using alternative ...

Results: The study demonstrates that increasing setup variability generally reduces differences in DVH metrics between alternative delineations.

RADIOTHERAPY RISK PROFILE - World Health Organization (WHO)

... of the daily setup. Monitoring of tolerance by regular patient ... of systematic errors such as miscalibration that may affect very large numbers of patients.

A comparison of interfraction setup error, patient comfort, and ...

Interfraction setup errors were compared for both groups. Weekly questionnaires using a 10-point visual analog scale were administered to both patient groups to ...

Dosimetric Effects of Rotational Setup Error in Volumetric Modulated ...

The dosimetric effects regarding the application of the rotational setup error were examined by comparing the treatment plans. Results: The mean patient setup ...

The impact of IGRT for prostate radiotherapy on dosimetry and the ...

While FSDs may measure a change in patient set-up, dose ... Measurement of patient positioning errors in three-dimensional conformal radiotherapy of the prostate.

Dosimetric benefit and clinical feasibility of deep inspiration breath ...

Setup error and PTV margins. Thirty-nine pairs of pre-treatment and post-treatment CBCT scans and 193 pre-treatment CBCT scans for 20 patients ...

Accuracy requirements and uncertainties in radiotherapy: a report of ...

The accurate delivery of multiple radiation treatment fractions is influenced largely by the reproducibility of patient setup and the dosimetric and technical ...

Dosimetric consequences of image guidance techniques on robust ...

To investigate the consequences of residual setup error on target dose ... Patients with a large posture error and those with good posture setup ...

Can a commercially available EPID dosimetry system detect small ...

Systematic setup errors were introduced by manually moving the treatment couch by 1, 3, and 5 mm in each translational direction to assess stereotactic ...

Potential dosimetric error in the adaptive workflow of a 1.5 T MR ...

This study highlights the dosimetric effect of using this in such workflows when there are relative patient-ppd displacements, as these are not visualized on ...

The dosimetric impact of daily setup error on target volumes and ...

The purpose of this study was to evaluate the impact of daily setup error and interfraction organ motion on the overall dosimetric radiation ...

SU‐FF‐T‐186: Dosimetric Effect of Patient Rotational Setup Errors ...

Purpose: To determine dose delivery errors that could result from systematic and random rotational setup errors for prostate patients treated with IMRT.

Errors in radiation oncology: a study in pathways and dosimetric ...

Received 27 January 2005; accepted 4 March 2005. As complexity for treating patients increases, so does the risk of error. Some pub-.

A study for the dosimetric evaluation of rotational setup error for lung ...

These might be due to the irregular shape of each isodose plan, and those were patient specific. Moreover, because the target volume has a steep ...

Impact of small residual setup errors after image guidance on heart ...

Residual errors following treatment setup result in a change in dose from planned. ... The change in dose in a region in the heart is related to ...

Comparison of setup errors of immobilization devices for thoracic ...

This study was performed to compare setup errors of TAFIDs and ICTIDs. Forty-four patients with lung cancer were retrospectively reviewed; 22 ...

The dosimetric impact of manual adjustments following automated ...

To avoid any geometric trends of patient setup error as prostate treatments progress, the five CBCT datasets images of each patient were ...

Relationship between the Patients' Setup Errors with Dosimetric and ...

PurposeThis study aimed to investigate the effect of the patients' setup errors on dosimetric and radiobiologic parameters for left-sided Whole-Breast ...