CPB Ljubljana 2018 course book

Target volumes concept

GTV

res

➢ Macroscopic residual disease after EBRT ➢ Determined by using the same clinical or imaging investigations

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Includes: ➢

Typical MR imaging : “grey zones”

➢ Pathologic residual oedematous tissue ➢ Clinical and/or imaging characteristics similar to initial GTV

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May represent: ➢

Macroscopic and/or microscopic And/or even no residual disease

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