Table 3.
Isocenter movements of target volumes (mm).
Structure | X axe |
Y axe |
Z axe |
|||
---|---|---|---|---|---|---|
Median [extremes] | Mean ± SD | Median [extremes] | Mean ± SD | Median [extremes] | Mean ± SD | |
GTV T | +0.2 [−1 ; 3] |
+0.3 ± 1 | +1.1 [-0.6 ; 4.5] | +1.3 ± 1.1 | +0.8 [-5.4 ; 3,2] |
+0.5 ± 2,1 |
GTV N | +1.8 [-12 ; 18] |
+1.5 ± 8.5 | −0.9 [-5.6 ; 1.2] |
−0.2 ± 4.3 | +2 [-13 ; 19] |
+2.4 ± 6.4 |
PTV H | +0.7 [-10 ; 9.9] |
+0.4 ± 5.7 | −0.7 [−3.5 ; 8.1] |
+0.6 ± 3 | +3.8 [-3.9 ; 9.5] |
+5.7 ± 8.6 |
PTV I | −0.2 [−16 ; 9.6] |
−0.3 ± 5.5 | −2.2 [−6.1 ; 8.8] |
−1.9 ± 2.9 | +6.8 [-21 ; 21] |
+6.2 ± 8.1 |
PTV L | −0,3 [−7.1 ; 1.7] |
−0.5 ± 1.9 | −0.1 [−3.6 ; 5.1] |
+0.1 ± 2.2 | +2.3 [-16 ; 13] |
+2.18 ± 7 |
GTV : Gross tumor volume, PTV : Planning Target Volume, T : Tumor, N : Node, H : high, I : Intermediate, L : Low, SD : Standard Derivation.