scholarly journals Stereotactic radiosurgery with MLC ‐defined arcs: Verification of dosimetry, spatial accuracy, and end‐to‐end tests

2019 ◽  
Vol 20 (5) ◽  
pp. 84-98 ◽  
Author(s):  
Ivan A. Brezovich ◽  
Xingen Wu ◽  
Richard A. Popple ◽  
Elizabeth Covington ◽  
Rex Cardan ◽  
...  
Keyword(s):  
Stereotactic Radiosurgery ◽  
Spatial Accuracy ◽  
End To End

scholarly journals Development of a dedicated phantom for multi-target single-isocentre stereotactic radiosurgery end to end testing

2018 ◽  
Vol 19 (6) ◽  
pp. 99-108 ◽  
Author(s):  
Joel Poder ◽  
Ryan Brown ◽  
Harry Porter ◽  
Rashmi Gupta ◽  
Anna Ralston
Keyword(s):  
Stereotactic Radiosurgery ◽  
End To End

scholarly journals OC-0540: A national cranial stereotactic radiosurgery end-to-end dosimetry audit

2017 ◽  
Vol 123 ◽  
pp. S287
Author(s):  
A. Dimitriadis ◽  
R.A.S. Thomas ◽  
A.L. Palmer ◽  
D. Eaton ◽  
J. Lee ◽  
...  
Keyword(s):  
Stereotactic Radiosurgery ◽  
End To End

Investigating the spatial accuracy of CBCT-guided cranial radiosurgery: A phantom end-to-end test study

2017 ◽  
Vol 35 ◽  
pp. 81-87 ◽  
Author(s):  
Juan-Francisco Calvo-Ortega ◽  
Marcelino Hermida-López ◽  
Sandra Moragues-Femenía ◽  
Miquel Pozo-Massó ◽  
Joan Casals-Farran
Keyword(s):  
Spatial Accuracy ◽  
Test Study ◽  
End To End

PO-0915: End-to-End tests in linac based Stereotactic Radiosurgery and Radiotherapy using a new phantom

2014 ◽  
Vol 111 ◽  
pp. S112-S113
Author(s):  
S. Scheib ◽  
P. Schmelzer ◽  
J. Krayenbuehl ◽  
S. Lang
Keyword(s):  
Stereotactic Radiosurgery ◽  
End To End

scholarly journals Stereotactic radiosurgery delivery verification using tetrazolium salt-based gel as a dosimeter

2017 ◽  
Vol 95 (8) ◽  
pp. 725-730 ◽  
Author(s):  
Michael S. Gossman ◽  
Erik J.L. Courter
Keyword(s):  
Quality Assurance ◽  
Radiation Therapy ◽  
Stereotactic Radiosurgery ◽  
Volumetric Modulated Arc Therapy ◽  
Three Dimensional ◽  
Tetrazolium Salt ◽  
Conformal Radiation Therapy ◽  
Stereotactic Radiation ◽  
End To End ◽  
Delivery Accuracy

The recently made available ClearView® tetrazolium salt-based gel dosimeter, encapsulated in a vial, was tested to determine feasibility in use as an end-to-end dosimeter for stereotactic radiosurgery commissioning and quality assurance. A fabricated adaptor enabled direct attachment of the gel vial lid to a rod extension. The rod was inserted into a water-filled head phantom at the open neck location and locked into position. Once quality assurance testing of the linear accelerator was completed, a stereotactic plan was deployed. Optical scanning software enabled a direct comparison of the measured positional isocenter and dose distribution to the intended plan. Delivery accuracy was verified as line-dose profile plots of measured data coincide with the planned dose location and distribution. It has been demonstrated here that ClearView® gel contained in a vial is a suitable dosimeter for verifying stereotactic radiation therapy delivery accuracy. The end-to-end testing provided is geared to work identically for any small field study, including stereotactic radiosurgery and radiotherapy, volumetric modulated arc therapy, intensity modulated radiation therapy, and three-dimensional conformal radiation therapy.

scholarly journals Brain stereotactic radiosurgery using MR‐guided online adaptive planning for daily setup variation: An end‐to‐end test

2022 ◽  
Author(s):  
Eun Young Han ◽  
He Wang ◽  
Tina Marie Briere ◽  
Debra Nana Yeboa ◽  
Themistoklis Boursianis ◽  
...  
Keyword(s):  
Stereotactic Radiosurgery ◽  
Adaptive Planning ◽  
End To End ◽  
Setup Variation

Robustness of single-isocenter multiple-metastasis stereotactic radiosurgery end-to-end testing across institutions

2020 ◽  
Author(s):  
Daniel L Saenz ◽  
Niko Papanikolaou ◽  
Emmanouil Zoros ◽  
Evangelos Pappas ◽  
Michael Reiner ◽  
...  
Keyword(s):  
Stereotactic Radiosurgery ◽  
Treatment Plan ◽  
High Definition ◽  
Data Set ◽  
Passing Rate ◽  
Gamma Analysis ◽  
Delivery Technique ◽  
End To End ◽  
Single Isocenter ◽  
Gamma Passing Rate

Abstract Background The accuracy of stereotactic radiosurgery to multiple brain metastases with a single isocenter using high definition dynamic radiosurgery (HDRS) was evaluated to assess robustness, repeatability, and possibility of inter-institutional quality assurance amongst multiple institutions. Methods A CT simulation scan obtained from a previously treated patient was used as the data set for targeting seven brain lesions. A VMAT treatment plan was generated using Monaco and was replicated at six HDRS-capable institutions using a plan template. All institutions subsequently irradiated 3D-printed head anthropomorphic phantoms mimicking the patient’s anatomy. Three different phantoms with a point dosimeter insert, film insert, and a gel dosimeter were used. Absolute dosimetry end-to-end dosimetric accuracy as well as gamma analysis for relative dose distribution agreement analysis was used to evaluate measurement agreement with calculation. Results Point measurements averaged across all institutions using six-degree-of-freedom treatment positioning correction were within 1.2±0.5%. The average gamma passing rate in the film plane using 3D global 3D gamma analysis was 96.6±2.2% (3%/2 mm). For all targets within 4 cm of the isocenter, the 3D dosimetric gel gamma passing rate averaged across institutions was >90% (3%/2 mm). 88.0% average gamma passing rate was found for targets beyond 4 cm. The targeting accuracy of high definition dynamic radiosurgery assessed by geometrical offset of the center of dose distributions was established across multiple institutions in this study to be within 1 mm for targets within 4 cm of isocenter. Conclusions Across variations in clinical practice, comparable dosimetry and localization is possible with this treatment planning and delivery technique.

End-to-end testing of automatic plan optimization using RayStation scripting for hypofractionated multimetastatic brain stereotactic radiosurgery

2019 ◽  
Vol 44 (4) ◽  
pp. e44-e50
Author(s):  
Eun Young Han ◽  
Gwe-Ya Kim ◽  
Neal Rebueno ◽  
Debra N. Yeboa ◽  
Tina M. Briere
Keyword(s):  
Stereotactic Radiosurgery ◽  
Plan Optimization ◽  
End To End
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