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Table 3 Treatment planning and differences in lung dose estimates as determined from planar imaging vs. SPECT/CT (LDM) 99mTc-MAA imaging in selected patient cases

From: Lung shunt fraction calculation using 99mTc-MAA SPECT/CT imaging for 90Y microsphere selective internal radiation therapy of liver tumors

Patient No

Planar LSF (%)

SPECT/CT LSF (%)

90Y microsphere

Injected Activity (GBq)

Planar LMD (Gy)

SPECT/CT LMD (Gy)

4

5.1

2.3

TheraSphere

1.985

10.00

3.50

11

15.6

5.1

TheraSphere

2.413

41.76

7.46

13

6.2

1.8

SIR-Spheres

2.595

18.90

4.23

14

33.7

16.1

15

28.5

19.3

17

20.0

8.2

SIR-Spheres

1.092

22.77

7.11

27

17.2

5.2

TheraSphere

0.494

4.35

1.32

32

13.7

6.2

TheraSphere

2.198

16.08

6.42

37

26.6

12.3

SIR-Spheres

0.997

26.47

8.04

43

24.2

13.1

TheraSphere

2.679

36.30

16.37

68

42.8

20.9