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. 2009 Nov 23;4:57. doi: 10.1186/1748-717X-4-57

Table 3.

Target volume characteristics

Target volumes PTV1 (= CTV1 *) 12.1 ± 18.6 ccm
PTV2 175.2 ± 54.4 ccm


PTV1 subvolume number patient number
1 4
2 5
3 6
4 1

PTV1 geometry
single form and/or subvolume configuration
convex 2
concave 8
complex 6

Tumor/Brain ratio
(in PTV1)
Mean 2.1 (1.7-2.9)
max 3.3 (2.0-4.9)

(* CTV1 is equal to PTV1, s. Target volume definition)