SBRT2015

Fraction 2 Tumour Tracking Verification

Fraction 1

Fraction 1

1+2+3 [mm]

4+5+6 [mm]

7+8 [mm]

total (1-8) [mm]

Mean tracking error E90% tracking error

1.43 2.62

1.84 2.60

1.50 3.32

1.58 2.82

Pan Error Tilt Error

0.59 +/- 0.84 1.21 +/- 1.60

0.59 +/- 0.84 1.56 +/- 1.95

0.89 +/- 2.08 1.08 +/- 1.76

0.66 +/- 1.26 1.29 +/- 1.80

Fraction 2

1+2+3 [mm]

4+5+6 [mm]

7+8 [mm]

total (1-8) [mm]

Mean tracking error E90% tracking error

2.10 +/- 1.4 (2SD)

0.98 +/- 0.9

1.52 +/- 1.2

1.61 +/- 1.54

2.99

1.51

2.39

2.76

Pan Error Tilt Error

0.58 +/- 0.92 (2SD) 1.95 +/- 1.48 (2SD)

0.54 +/- 0.65 0.43 +/- 1.53

0.50 +/- 0.70 1.34 +/- 1.45

0.55 +/- 0.79 1.33 +/- 1.96

Average E 90% = 2.63 mm, Mean Tracking error = 1.57mm Total treatment time for a 20 Gy fraction ≈ 40 min

30

SBRT 2015 - D. Verellen