Course book Advanced Treatment Planning 2018

Summary

• GTV is tumour you can See - Feel – Image ➢ Outline what you see !

• CTV - contains GTV and/or sub-clinical disease ➢ Tumour cannot be seen or imaged ➢ Can be individualised to anatomy

• PTV is a geometric volume ➢

Ensures prescription dose is delivered to the CTV ➢ Includes systematic + random error components