Volumetric Modulated Arc Therapy for Spine Radiosurgery: Superior Treatment Planning and Delivery Compared to Static Beam Intensity Modulated Radiotherapy
A graphic comparison of Dice Similarity Coefficient (DSC) in VMAT (a) and IMRT (b) plans. The DSC is the ratio between the intersection with (purple) to the union with (yellow). The VMAT allows a much conformal plan (a) where 98% of the dose is given to almost all of the PTV and does not leak outside the PTV compared to the IMRT plan.
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