Radiation Oncology

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	D_100% ≥ 50.70 Gy	150
PTVo	D_max ≤ 53.50 Gy	150
PTVi	D_100% ≥ 50.70 Gy	150
PTVi	D_max ≤ 51.50 Gy	150
BM	D_mean ≤ 32.00 Gy	80
OC	D_mean ≤ 28.00 Gy	80
LS	D_mean ≤ 35.00 Gy	80
Small bowel	D_max ≤ 52.50 Gy	80
Small bowel	V₄₀ < 30%	80
Rectum	D_max ≤ 52.50 Gy	80
Rectum	V₄₀ < 50%	80
Bladder	V₄₅ < 35%	50
Femoral head (left)	V₅₀ < 2%	50
Femoral head (right)	V₅₀ < 2%	50
Body	D_max ≤ 53.50 Gy	300

Abbreviations: PTVo The planning target volume excluding the small bowel, PTVi The planning target volume inside the small bowel, D_max The maximum dose received, D_mean The mean dose, D_n% Dose received by the n% volume of the target volume, V_x Percentage volume irradiated by x Gy or more of a certain structure

Back to article page

ISSN: 1748-717X

Contact us

General enquiries: journalsubmissions@springernature.com