Radiobiologically equivalent regimes Flashcards
What is the α/β for Generic Early Reacting tissue?
10
What is the α/β for Generic Late Reacting tissue?
3
What is the α/β for Early Reacting Head & Neck tissue?
10
What is the α/β for Late Reacting Head & Neck tissue?
3 (non-CNS)
What is the α/β for Early Reacting CNS tissue?
10
What is the α/β for Late Reacting CNS tissue?
2
What is the α/β for Early Reacting NSCLC tissue?
10
What is the α/β for Late Reacting NSCLC tissue?
4.5
What is the α/β for Early Reacting Cervix tissue?
14
What is the α/β for Late Reacting Cervix tissue?
3
What is the α/β for Early Reacting Breast tissue?
10
What is the α/β for Late Reacting Breast tissue?
3
What is the α/β for Early Reacting Prostate tissue?
1.5-5
What is the α/β for Late Reacting Prostate tissue?
3
What does the radiobiological value ‘k’ represent?
‘dose’ loss per day once treatment exceeds TDelay (time from commencing treatment until onset of rapid re-population)
It is sometimes given the units of ERD/day.
What is the Generic radiobiological k value?
0.42
What is the H&N radiobiological k value?
- 1 if T<28
0. 9 if T>28
What is the CNS radiobiological k value?
- 1 if T<28
0. 9 if T>28
What is the NSCLC radiobiological k value?
- 1 at start
0. 9 at end
What is the Cervix radiobiological k value?
0.5
What is the Breast radiobiological k value?
0.3
What is the Prostate radiobiological k value?
0.2
What is the Generic Tdelay value?
28
What is the H&N Tdelay value?
0 if T<28
28 if T>28