419 / 1308
What Has Changed in the World of
Planning?
•
“
Isotoxic
” Treatment Planning
•
Pioneered by MAASTRO
•
Most data for this approach comes from lung cancer with
Spinal Cord and MLD as the toxic endpoints
•
Moves away from the “one size fits all” approach for dose
prescription
Dose escalation is based on patient specific OAR DVH results
•
Dose escalate the PTV until the OARs reach their tolerance