Modern Bt Techniques - Florence 2016

Quality Parameters and Indices

Conformity based - Conformal Index COIN without OARs

How well fits the 3D shape of D ref

the target volume PTV

COIN = c 1

x c

Body contour

2

PTV

PTV =

PTV

ref

ref

c =

c

1

2

PTV

V

ref

PTV

ref

Reference isodose = D ref

= 100 %

Reference isodose V ref

Baltas D, Kolotas C et al. Int J Rad Oncol Biol Phys 40, 512-524, 1998