IMRT 2018

Single Arc techniques

(Very) fast delivery in single rotation of the gantry

During gantry rotation the dose is delivered while varying

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MLC leave positions and

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dose rate and/or

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gantry rotation speed

Different optimization/sequencing algorithms

▪ Sweeping window arc therapy (SWAT)

▪ Arc-modulated cone beam threapy (AMCBT) ▪ Volumetric-modulated arc therapy (VMAT)

RapidArc TM

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▪ Arc-modulated radiation therapy (AMRT)