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Table 2 Patient characteristics, treatment plan design and quality assurance

From: Collimator rotation in volumetric modulated arc therapy for craniospinal irradiation and the dose distribution in the beam junction region

Patients

 

Age (years)

31–53

Positioning

Supine

Fixation

Thermoplastic mask, vacuum bag and knee support

Patient’s height (cm)

152–175.6

Plans

 

Length of target (cm)

68.1–80.7

Height of target (cm)

13.1–15.6

Width of target (cm)

14.2–15.8

The number of isocenters

2

Distance between isocenters (cm)

35–41

Total dose prescription (Gy)/Fraction

36/20

Quality assurance

 

Device

MatriXX plus MultiCube (IBA inc.) EBT2 film (International Special Products inc.)

Image guidance

Cone-beam CT, daily