Dosimetric impact of rotational errors on the quality of VMAT‐SRS ...

Characterization of Physical and Dosimetric Aspects of SRS ...

effect each magnitude of rotation would have on prescription dose coverage. ... way to detect errors in VMAT plan delivery because of the ...

Dosimetric comparison of gamma knife and linear accelerator ...

In linear accelerator-based SBRT, intensity-modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) are two commonly used ...

Insights into the dosimetric and geometric characteristics of ... - PLOS

Prentou G., et al., Dosimetric impact of rotational errors on the quality of VMAT-SRS for multiple brain metastases: Comparison between single- and two ...

Considerations for the verification of volumetric modulated arc ...

Despite the high accuracy of VMAT systems, errors can be present and adequate verification is required. Dosimetric VMAT verification systems ...

Letter: Volumetric Arc Therapy (RapidArc) vs Gamma Knife...

a. Noninvasive frame. For Linac-based SRS, a simple thermoplastic mask has been used without the conventional invasive head ring used in GK. The average ...

Transition From Manual to Automated Planning and Delivery of ...

Purpose: Properly planned single isocenter volumetric modulated arc therapy (VMAT) radiosurgery plans exhibit high quality and efficiency. We report here the ...

Retrospective analysis of portal dosimetry pre-treatment quality ...

The gamma index analysis shows that for patient-specific SRS/SRT VMAT QA with the portal dosimetry, the mean %GP is ≥98% for 2–3 mm/1–3% and ...

Dosimetric Impact of Setup Errors in Single-Isocenter Linac ... - Cureus

The median post-treatment 3D error and the median maximum rotational error over all 129 BM were 0.5 mm [0.1–2.7] and 0.3° [0.0–1.3], ...

Frameless Image-Guided Radiosurgery for Multiple Brain Metastasis ...

... quality SRS-VMAT plans for treating multiple lesions ... (47) determined the dosimetric effects of rotational errors on coverage as well.

Radiosurgery for multiple brain metastases using volumetric ...

Conclusion: The use of VMAT–SRS for multiple BM was feasible, effective, and associated with low treatment-related toxicity rates. Thus, ...

Single-Isocenter Multiple-Target Stereotactic ... - Emory University

Purpose—To determine the dosimetric effects of rotational errors on target coverage using ... VMAT SRS technique. ... rotational errors observed in frameless SRS ...

‪Evaggelos Pantelis‬ - ‪Google Scholar‬

... dosimetry planning of 192Ir HDR breast brachytherapy: a Monte Carlo dose verification study ... Dosimetric impact of rotational errors on the quality of VMAT‐SRS ...

Effect of isocenter deviation on volume modulated arc therapy plan ...

VMAT is a novel delivery method of intensity-modulated radiotherapy (IMRT). It is capable of delivering highly conformal dose distributions through concomitant ...

Pergamos - Library and Information Center of National and ...

Assessment of geometric uncertainties and their impact on dose distributions of modern radiotherapy SRS – VMAT technique ... Summary: Stereotactic radiosurgery ...

Dosimetric impact of rotational setup errors in H&N patients ...

The mean rotational error on this particular subset was 2.6o. (95% CI 0.5-4.8o). Conclusion: CTV coverage in H&N cancer patients undergoing VMAT ...

"Dosimetric Effect When Treating Multiple Lesion SRS Using VMAT ...

Doses to the organs at risk (OAR) and the target volumes were analyzed using the dose volume histogram (DVH) and dose statistics for each plan. The goal of this ...