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Question 2: Which study-arm is biologically the most iso-
effective with the standard-arm (74 Gy), regarding tumour
control?
•
Calculation:
E/α = BED = D (1 +
)
- 74 Gy – arm
= 74 (1 +
) = 172,67 Gy
- 60 Gy – arm
= 60 (1 +
) = 180 Gy
- 57 Gy – arm
= 57 (1 +
) = 171 Gy
Prostate cancer case