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Table 3 Dose-comparisons into organs at risk according to radiation therapy technique

From: Contribution of three-dimensional conformal intensity-modulated radiation therapy for women affected by bulky stage II supradiaphragmatic Hodgkin disease

Factors / Dose (Gy) 3D-CRT IMRT ( p)
Median Mean Median Mean  
Breasts Dmax 38.6 38.3 35.3 33.6 0.001
Dmin 0.001 0.02 0.3 0.8 0.001
Dmean 2.7 4.9 4.7 5.7 0.05
V5 Gy 9.9 17.2 27 32.7 0.001
V20 Gy 5.7 11.6 3.9 9.1 0.002
V25 Gy 5.05 10.4 1.2 4.6 0.001
V30 Gy 4.05 8.9 0.2 2.6 0.001
Right breast Dmax 37.7 34.6 32.7 30.3 0.01
Dmin 0.001 0.02 0.3 0.8 0.001
Dmean 2.1 3.8 4.4 5.2 0.007
V5 Gy 7.8 13.1 25.5 29.7 0.001
V20 Gy 4.3 8.5 2.6 7.8 NS
V25 Gy 3.5 7.5 1.04 4.3 0.004
V30 Gy 2.7 6.4 0.2 2.3 0.002
Left breast Dmax 38.3 35.5 34 31.8 0.02
Dmin 0.001 0.08 0.3 1.5 0.001
Dmean 3.2 6 4.6 6.2 NS
V5 Gy 11.1 21.3 31.8 35.8 0.007
V20 Gy 6.4 14.4 3.6 10.1 0.002
V25 Gy 5.5 13 1.5 4.9 0.002
V30 Gy 4.4 11.1 0.4 2.8 0.002
Lung-PTV Dmax 38.6 38.4 36.8 36.9 0.003
Dmin 0.1 0.2 0.3 0.7 0.002
Dmean 12 12.4 9.2 9.7 0.003
V5 Gy 47.1 46.3 56.4 57.7 0.001
V20 Gy 28.2 30.3 12.2 15.5 0.001
V30 Gy 19.4 22.1 4.9 5.3 0.001
Heart Dmax 37.3 37.1 38.1 38 0.01
Dmin 0.3 0.6 0.7 1.3 0.001
Dmean 13 13.9 11.2 11.5 0.01
V20 Gy 32.3 35.7 20.7 25 0.002
V30 Gy 23.1 29 11.1 14.4 0.001
Oesophagus Dmax 37.3 37.3 36.9 36.9 NS
Dmin 0.4 3.0 0.8 1.7 0.02
Dmean 23.3 24.6 20.8 21.5 0.002
V35 Gy 48.4 41 26.7 28.5 0.02
Thyroid Dmax 37.2 37.2 36.9 37.1 NS
Dmin 3.4 13.9 12.6 15.1 NS
Dmean 34.6 30.1 31.6 29.4 NS
V30 Gy 87.7 75.1 72.7 64.1 0.003
Integral dose Mean (Gy.L) - 179.0 - 176.8 NS