. Author manuscript; available in PMC: 2014 May 21.

Published in final edited form as: Phys Med Biol. 2013 Apr 19;58(10):10.1088/0031-9155/58/10/3107. doi: 10.1088/0031-9155/58/10/3107

Table 1.

Characteristics of the fields used for proton craniospinal irradiation for an 11-year-old girl adapted from (Taddei et al. 2010)

Characteristic	Spinal fields		Cranial fields

	LPA	UPA	RPO	LPO
Pre-nozzle proton energy (MeV)	160	160	200	200
SOBP width (cm)	7	6	16	16
Gantry angle (°)	180	180	255	105
Collimated field, major axis (cm)	19.8	15.7	15.9	15.9
Collimated field, minor axis (cm)	5.0	4.8	15.2	15.2

Abbreviations: LPA, lower posterior–anterior; LPO = left posterior oblique; RPO = right posterior oblique; UPA = upper posterior–anterior; SOBP = spread-out Bragg peak.