Development and commissioning of a multileaf collimator model in Monte Carlo dose calculations for intensity-modulated radiation therapy

A multileaf collimator (MLC) model, “MATMLC,” was developed to simulate MLCs for Monte Carlo (MC) dose calculations of intensity-modulated radiation therapy (IMRT). This model describes MLCs using matrices of regions, each of which can be independently defined for its material and geometry, allowing...

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Veröffentlicht in:	Medical physics (Lancaster) 2006-03, Vol.33 (3), p.770-781
Hauptverfasser:	Jang, Si Young, Vassiliev, Oleg N., Liu, H. Helen, Mohan, Radhe, Siebers, Jeffrey V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ancillary equipment Cancer Collimation COLLIMATORS commission MLC model COMMISSIONING CUSPED GEOMETRIES dosimetry Dosimetry/exposure assessment FLEXIBILITY Humans IMRT Intensity modulated radiation therapy intensity modulation interleaf air gap ionisation chambers IONIZATION CHAMBERS leaf density leaf transmission and leakage Medical treatment planning Models, Biological Models, Theoretical Monte Carlo MONTE CARLO METHOD Monte Carlo methods multileaf collimators Neoplasms - radiotherapy PHANTOMS Phantoms, Imaging Photons QUALITY ASSURANCE RADIATION DOSE DISTRIBUTIONS RADIATION DOSES radiation therapy RADIOLOGY AND NUCLEAR MEDICINE Radiometry - instrumentation Radiometry - methods RADIOTHERAPY Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted - instrumentation Radiotherapy, Conformal - instrumentation Relative Biological Effectiveness Reproducibility of Results Sensitivity and Specificity THERMOLUMINESCENT DOSEMETERS thermoluminescent dosimeters tongue and groove Transmission measurement Treatment strategy Wedges and compensators
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