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PTV
GTV
CTV
Adaptive radiation therapy
Yan et al.
Phys Med Biol
1997;42:123-32.
• Adaptive radiation therapy -
“a close-loop radiation treatment process where the treatment plan can be
modified using a systematic feedback of measurements.”
•
Measurements:
•
Anatomic: position, shape and volume
•
Dosimetric
•
Biologic: defined by multi-parameter biologic imaging