
The impact of dose rate on the accuracy of step-and-shoot intensity-modulated radiation therapy quality assurance using varian 2300CD
Author(s) -
Christopher F. Njeh,
Howard W. Salmon,
Claire Schiller
Publication year - 2017
Publication title -
journal of medical physics/journal of medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.292
H-Index - 24
eISSN - 1998-3913
pISSN - 0971-6203
DOI - 10.4103/jmp.jmp_18_17
Subject(s) - multileaf collimator , nuclear medicine , linear particle accelerator , quality assurance , dose rate , intensity modulation , monitor unit , intensity (physics) , medicine , radiation therapy , radiation treatment planning , physics , optics , radiology , medical physics , beam (structure) , external quality assessment , pathology , phase modulation , phase noise
Intensity-modulated radiation therapy (IMRT) delivery using "step-and-shoot" technique on Varian C-Series linear accelerator (linac) is influenced by the communication frequency between the multileaf collimator and linac controllers. Hence, the dose delivery accuracy is affected by the dose rate.