2017_IGRT course book

Intra-cranial stereotactic radiotherapy

Work-flow of frame-less cranial SRT using CBCT imaging and robotic online correction of set-up errors

1. Double layer thermoplastic mask 2. Patient positioning based on drawings on the mask 3. Cone-beam CT imaging 4. Definition of region of interest for image registration 5. Registration planning CT vs verification CBCT 6. Automatic correction of errors in 6 DOF 7. Verification CBCT in SF treatment 8. Start of treatment