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Table 1 The dose-volume constraints

From: Optimal dose limitation strategy for bone marrow sparing in intensity-modulated radiotherapy of cervical cancer

Structure Dose-volume constraints Relative Priority
PTVo D100% ≥ 50.70 Gy 150
Dmax ≤ 53.50 Gy 150
PTVi D100% ≥ 50.70 Gy 150
Dmax ≤ 51.50 Gy 150
BM Dmean ≤ 32.00 Gy 80
OC Dmean ≤ 28.00 Gy 80
LS Dmean ≤ 35.00 Gy 80
Small bowel Dmax ≤ 52.50 Gy 80
V40 < 30% 80
Rectum Dmax ≤ 52.50 Gy 80
V40 < 50% 80
Bladder V45 < 35% 50
Femoral head (left) V50 < 2% 50
Femoral head (right) V50 < 2% 50
Body Dmax ≤ 53.50 Gy 300
  1. Abbreviations: PTVo The planning target volume excluding the small bowel, PTVi The planning target volume inside the small bowel, Dmax The maximum dose received, Dmean The mean dose, Dn% Dose received by the n% volume of the target volume, Vx Percentage volume irradiated by x Gy or more of a certain structure