Planning target volume concepts
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Planning target volume concepts GTV/ITV CTV PTV Conventional ree-breathing CT scan Time- average d mean positio n Internal Target Volume Motion Gating @ exhale Mid- Ventilation /Position Inaccurate May be too large Margin ? } Courtesy: Marcel vanHer
description
Courtesy: Marcel vanHerk. Planning target volume concepts. Conventional Free-breathing CT scan. Internal Target Volume. Gating @ exhale. Mid- Ventilation /Position. Time-averaged mean position. }. Motion. Margin ?. May be too large. Inaccurate. GTV/ ITV CTV PTV. - PowerPoint PPT Presentation
Transcript of Planning target volume concepts
Planning target volume concepts
GTV/ITV CTV PTV
ConventionalFree-breathing
CT scanTime-averagedmeanposition
InternalTarget
Volume
Motion
Gating @ exhale
Mid-Ventilation/Position
InaccurateMay be too large
Margin ?
}
Courtesy: Marcel vanHerk
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