ArticleJournal of applied clinical medical physics2026
Commissioning and validation of the Elekta One GPUMCD algorithm for an Elekta VersaHD linear accelerator.
Article in Journal of applied clinical medical physics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThe purpose of this work was to commission and validate GPUMCD, a GPU-accelerated Monte Carlo dose calculation engine for c-arm Elekta linear accelerators (linac). This algorithm was recently released for clinical implementation in the Elekta One Treatment Planning System (v6.2.3, EOP).
methodsA GPUMCD beam model was generated for all photon energies of a VersaHD linac (6X, 6FFF, 10X, 10FFF, 18X). A validated version of the Monaco Commissioning Utility was used to compare calculated percent depth dose (PDD) profiles as well as lateral profiles for open fields against measurements. An adapted MPPG 5.b methodology was used to verify point-doses and 3D dose distributions in homogeneous and heterogeneous media using the ArcCheck, solid water, the CIRS ZEUS phantom, and the IROC HN and spine phantoms.
resultsThe average agreement between measured and calculated PDDs and beam profiles using a local 2% dose difference (DD) in the high dose region for fields greater than 5 × 5 cm
conclusionThe GPUMCD algorithm in EOP was successfully tested and commissioned for clinical use for the VersaHD linac.
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