Table 1 Activity per unit area and dose per activity on unit area of the tumour bed in a water bulk material in the points facing the treated region, at different distances z from the central plane of the BAT-90 layer.

From: Modelling a new approach for radio-ablation after resection of breast ductal carcinoma in-situ based on the BAT-90 medical device

t (mm)

z = 0 mm

z = 2 mm

z = 4 mm

z = 6 mm

z = 8 mm

k (mm)

Activity (MBq/cm2)

Dose (Gy cm2/MBq)

k (mm)

Activity (MBq/cm2)

Dose (Gy cm2/MBq)

k (mm)

Activity (MBq/cm2)

Dose (Gy cm2/MBq)

k (mm)

Activity (MBq/cm2)

Dose (Gy cm2/MBq)

k (mm)

Activity (MBq/cm2)

Dose (Gy cm2/MBq)

0

0

0.11

172.0

2

0.49

40.9

4

1.8

11.4

6

8.7

2.3

8

100

0.2

1

1.5

0.48

41.6

3.5

1.7

11.7

5.5

8.3

2.4

7.5

67

0.3

3

0.5

0.41

49.0

2.5

1.5

13.3

4.5

6.7

3.0

6.5

50

0.4

5

1.5

1.2

16.8

3.5

4.8

4.2

5.5

28

0.7

  1. Values of t in the range 0–5 mm are considered. k is the thickness of the tissue shell irradiated. Only values in the bulk material outside the BAT-90 layer (z > t/2) are reported.