Basic Clinical Radiobiology 2017

Prostate cancer case

• Calculation:  BED fraction 1  BED tolerance

= 9,5 (1 + = 42 (1 +

) = 39,58 Gy ) = 159,6 Gy

 BED rest

= BED tolerance

– BED fraction1

= 159,6 Gy – 39,58 Gy = 120,0 Gy

 BED rest/fraction

= 120,0 Gy / 4 = 30,0 Gy