1024 / 1345
Equi-effective dose for HDR
Use of the LQ model
• n: number of fractions
• d: fractional dose
• Tumor
/
10
• Late morbidity
/
3
2
2
d
dn
EQD
EQD2: Absorbed doses that, when delivered with 2Gy
per fraction, would produce the same biologic effect