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Research

Jun 16, 2009

Join the dots: better pathways for protons

Passive scattering techniques used in proton and ion therapy are increasingly being replaced by dynamic particle-delivery systems. One such method is pencil-beam scanning, in which the treatment beam is swept across a stack of 2D slices, irradiating a set of predefined "spots". All particles delivered to a single slice are equally energetic. However, the beam energy may be reset before scanning each slice, allowing good dose conformation with the target tumour.

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