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https://www.researchgate.net/publication/11748476_The_overshoot_phenomenon_in_step-and-shoot_IMRT_delivery
The overshoot phenomenon in step-and-shoot IMRT delivery Article in Journal of Applied Clinical Medical Physics 2(3):138-48 · July 2001 with 81 Reads How we measure 'reads'
https://aapm.onlinelibrary.wiley.com/doi/full/10.1120/jacmp.v2i3.2607
Figures 4–6 show how the overshoot, expressed as ΔMU, varies over the range of MU/segment for the three delivery rates of 400, 240, and 80 MU/min. Each data point represents a single segment from a single run; some points overlap. The overshoot is fairly stable for MU/segment and averages , , and , respectively.These values correspond to a control loop delay of , and msec, respectively.Author: Gary A. Ezzell, Suzanne Chungbin
https://aapm.onlinelibrary.wiley.com/doi/pdf/10.1120/jacmp.v2i3.2607
The overshoot phenomenon in step-and-shoot IMRT delivery Gary A. Ezzell* and Suzanne Chungbin† Department of Radiation Oncology, Mayo Clinic Scottsdale, Scottsdale, Arizona 85259Author: Gary A. Ezzell, Suzanne Chungbin
http://europepmc.org/articles/PMC5726041
The overshoot phenomenon in step-and-shoot IMRT delivery. G A Ezzell Department of Radiation Oncology, Mayo Clinic Scottsdale, Scottsdale, Arizona 85259, USA.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5690057/
In step‐and‐shoot IMRT delivery, for example, the accuracy of the delivered MU of each individual MLC segment is limited by the frequency that the MLC controller checks the cumulated MU and the system lag for actually halting the radiation beam, causing a so‐called “overshoot” phenomenon.Author: Heming Zhen, Luo Ouyang, Qinan Bao, Nan Qin, Strahinja Stojadinovic, Arnold Pompos
https://www.researchgate.net/publication/314108598_The_step-and-shoot_IMRT_overshooting_phenomenon_A_novel_method_to_mitigate_patient_overdosage
The goal of this work is to evaluate the dosimetric impact of an overshooting phenomenon in step‐and‐shoot IMRT delivery, and to demonstrate a novel method to mitigate the issue.
https://utsouthwestern.pure.elsevier.com/en/publications/the-step-and-shoot-imrt-overshooting-phenomenon-a-novel-method-to
The results demonstrate that the proposed plan modification method effectively eliminates the overdosage from the overshooting phenomenon. AB - The goal of this work is to evaluate the dosimetric impact of an overshooting phenomenon in step-and-shoot IMRT delivery, and to demonstrate a novel method to mitigate the issue.Author: Heming Zhen, Luo Ouyang, Qinan Bao, Nan Qin, Strahinja Stojadinovic, Arnold Pompos
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4731350/
Jan 28, 2016 · Leakage-Penumbra effect in intensity modulated radiation therapy step-and-shoot dose delivery. ... The authors’ proposed method can increase the accurancy of radiation dose delivery using the step-and-shoot intensity modulated radiation therapy technique. ... The overshoot phenomenon in step-and-shoot IMRT delivery. J Appl Clin Med Phys. 2001 ...Author: Grigor N Grigorov, James Cl Chow
https://www.sciencedirect.com/science/article/pii/S1879850013002658
Purpose. The dose delivery accuracy of 30 clinical step and shoot intensity modulated radiation therapy plans was investigated using the single integrated multileaf collimator controller of the Varian Truebeam linear accelerator (linac) (Varian Medical Systems, Palo Alto, CA) and compared with the dose delivery accuracy on a previous generation Varian 2100CD C-Series linac.Author: Christina Agnew, D. M. Irvine, A. R. Hounsell, A. R. Hounsell, Conor McGarry, Conor McGarry
https://www.practicalradonc.org/article/S1879-8500(13)00265-8/fulltext
The dose delivery accuracy of 30 clinical step and shoot intensity modulated radiation therapy plans was investigated using the single integrated multileaf collimator controller of the Varian Truebeam linear accelerator (linac) (Varian Medical Systems, Palo Alto, CA) and compared with the dose delivery accuracy on a previous generation Varian 2100CD C-Series linac.Author: Christina Agnew, D. M. Irvine, A. R. Hounsell, A. R. Hounsell, Conor McGarry, Conor McGarry
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