Virtual micro MLC commissioning

  title={Virtual micro MLC commissioning},
  author={Laura Drever and Peter Dickof},
  booktitle={Journal of applied clinical medical physics},
The resolution of multileaf collimators (MLCs) is limited by their finite leaf width. A commercial package (HD-270) uses 3D couch translation and leaf adjustments to emulate smaller leaf widths. In this paper, we report on the commissioning of this feature using software testing, dial gauge measurements, and film dosimetry. We also identify a variety of limitations: software bugs and truncation artifacts, MLC leaf positioning uncertainties (random variations, systematic gantry dependence and… CONTINUE READING
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