ASMR

Treatment - All is well?

σ sys (mm)

σ random (mm)

# Patients

# Images

Direction

Reference

31

ml cc ap ml cc ap cc ap ml cc ap

1.8 1.7 2.0 1.8 2.7 1.7

1.5 1.1 1.6 1.6 1.5 1.2 1.4 1.7 1.4 1.4 1.4

(Bel et al., 1995)

(Vos et al., 1997)

26

356

rot ant rot lat

0.8 ° 1.0 °

1.2 ° 0.7 °

12

192

2.0 1.3

(Yan et al., 1997b)

1.8 a 2.2 a 1.7 a

12

290

(Gildersleve et al., 1995)

Portal imaging data from a long time ago…

• Systematic errors: 1 to 2 mm (SD) • Random errors: 1 to 2 mm (SD)

Hurkmans et al