Time-dependent dose guided radiotherapy (DGRT) with ... - Varian

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Pre-treatment dose verification Pre-treatment dose verification for IMRT of H&N (� criterion of 5%, 5 mm) Predicted PDI Measured PDI Pre-treatment � Before the start of treatment, for every patient the treatment fields are delivered and measured with the EPID 10
Transit dose verification Verification II: Transit dose verification (W van Elmpt, S Nijsten et al., Med. Phys. 32, 2005) (S Nijsten, W van Elmpt et al., Med. Phys. 34, 2007) � detect patient-related delivery errors (set-up errors, organ motion, weight loss, changes in fixation, …) 11
Page 1 and 2: Time-dependent dose guided radiothe
Page 3 and 4: What is the place of DGRT in the ra
Page 5 and 6: • EPI dosimetry DGRT with EPI - P
Page 7 and 8: Gamma calculation Original distribu
Page 9: Pre-treatment dose verification Ver
Page 13 and 14: Five components of 3-D EPID dosimet
Page 15 and 16: Axial Coronal Sagittal Beam and pat
Page 17 and 18: VMAT: Time-resolved EPID images (=
Page 19 and 20: Pre-treatment dose prediction; inte
Page 21 and 22: One control point Gamma calculation
Page 23 and 24: Clinical workflow for routine treat
Page 25 and 26: Monitoring dose delivery over the w
Page 27: Conclusions & Outlook • DGTR prov

Time-dependent dose guided radiotherapy (DGRT) with ... - Varian

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