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. Author manuscript; available in PMC: 2018 Jul 6.
Published in final edited form as: J Appl Clin Med Phys. 2017 Jul 6;18(5):29–35. doi: 10.1002/acm2.12130

Table 1.

Dose-volume Constraints

Structure Dose Volume Constraints
(Gy[RBE])
Achieved Values from MIP
(Gy[RBE])
Achieved Values from L-BFGS
(Gy[RBE])
Prostate (with 3837 beamlets)
 Planning target volume D95% >44 44 44
 Planning target volume D5%–D95% <2 1.6 2
 Bladder D25% < 45 44.2 44.5
 Femoral heads D10% < 28 12.4 14.1
 Rectum D25% < 45 45 44.8
H&N, case 1 (with 7773 beamlets)
 Planning target volume D98% > 59 60 59.3
 Planning target volume D2%–D98% < 2 0 1.3
 Whole brain D1% < 62 60 59.5
 Brain stem D1% < 55 55 53
 Optic chiasm D1% < 55 55 56.1
H&N, case 2 (with 9905 beamlets)
 Planning target volume D98% > 67 68 67.6
 Planning target volume D2%–D98% < 2 0 0.8
 Brain stem D1% < 55 25.2 24.3
 Mucosa avoid D1% < 30 15.4 16.3
 Spinal cord D1% < 45 20.2 21.9