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CONFORMITY PARAMETERS
-
Conformal Index COIN - Coverage Index CI
Body contour
PTV
Reference isodose V
ref
PTV
ref
COIN = c
1
x c
2
PTV
c
ref
1
PTV
ref
ref
2
V
PTV
c
Baltas D, Kolotas C et al.
Int J Rad Oncol Biol Phys
40, 512-524, 1998
How well fits the 3D shape of
D
ref
the target volume PTV
Fraction of the target volume
receiving a dose equal or greater
than the reference dose (100%)
CI = V
100
/100
It is variable, depending on the
shape of the target / PTV
Courtesy of Dimos Baltas