. Author manuscript; available in PMC: 2019 Sep 13.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2018 Jul 10;102(3):527–535. doi: 10.1016/j.ijrobp.2018.06.400

Table 2.

Spine radiosurgery (special case)

Organ at risk	Dose constraint	Margin	Rank
Three fractions (prior radiation therapy <50 Gy)
Cord	13.5 Gy	10%	1
Esophagus	15 Gy max pt	0 mm	1
Single fraction
Cord	10 Gy	10%	1
Esophagus	15 Gy 2 cm³	0 mm	1
Esophagus	20 Gy 2 cm³	3 mm	2