Detailed evaluation of Mobius3D dose calculation accuracy for volumetric-modulated arc therapy

Patient-specific quality assurance (QA) process is particularly important in modern radiation therapy treatment modalities, such as intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT), in which radiation beams are delivered through complex collimating patterns shaped by multileaf collimators (MLCs). Conventionally, calculating and measuring radiation doses on a water equivalent phantom were performed as an essential part of patient-specific QA. Measurements have been made using a combination of ionization chamber and radiosensitive film or using a detector array [1 –6].
Source: Physica Medica: European Journal of Medical Physics - Category: General Medicine Authors: Tags: Original paper Source Type: research