Advanced TP

DVH related indicators: mean dose in the OAR

• Mean Dose 

It “sums” all contributions of the heterogeneous dose distribution  It is useful for organs where the impact of the dose is strongly influenced by a parallel radiobiological organization

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SA 1

v

i ∑

(

)

vD

⋅

Volume [%]

i

i

v = 0

D

mean

V

total

= SA 2

SA 1

SA 2

Dose [Gy]

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50