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Physics of carbon ions and principles of beam scanning

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Physics of carbon ions and principles of beam scanning

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    1. Physics of carbon ions and principles of beam scanning G. Kraft Biophysik, GSI, Darmstadt, Germany

    2. Physical and technical features of proton and carbon beams Inverse depth dose profile Lateral scattering and dose gradients Intensity modulated beam delivery In vivo PET control of the beam Extension to moving targets

    4. fragmentation of heavy ions

    6. Lateral Scattering

    8. Treatment Plan with edge effects

    9. Scattering and irradiation geometry

    12. Passive beam modulation

    13. CASE 2 BENIGN MENINGIOMA (recurrence after 2 surgeries) with invasive growth in the lateral and upper aspects of left orbit displacing the optic nerve PRESCRIPTION: AVERAGE DOSE to PTV (CTV + 3 mm) = 56 Gy

    17. Principle of raster scanning

    20. Active Rasterscanning and Monitoring Evtl Animation Evtl Animation

    21. Intensity distributon in a sphere

    24. Positron Emission Tomography (PET)

    25. In situ control with PET

    26. Verifying the position of the irradiation field

    27. Range measurements of carbon ions

    29. Target Motion Destroys Volume Conformity

    32. Patient treatment plan

    33. Influence of target motion

    34. Summary: Physical and technical properties of proton and carbon beams Inverse depth dose profile Lateral scattering and dose gradients Intensity modulated beam delivery In vivo PET control of the beam Extension to moving targets

    35. Thank you

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