Table 1.

Imaging doses measured in CT dose phantom

Left breast imaging protocol – complete phantom
Position	1	2	3	4	5	6	7
Dose mGy	2.9	6.8	19.1	17.3	1.0	0.2	2.2
Left breast imaging protocol – central insert removed
Position	1	2	3	4	5	6	7
Dose mGy	4.0	5.1	17.1	15.4	1.2	0.6	2.8
Right breast imaging protocol – complete phantom
Position	1	2	3	4	5	6	7
Dose mGy	3.1	6.4	6.9	12.3	15.8	8.8	6.4
Right breast imaging protocol - central insert removed
Position	1	2	3	4	5	6	7
Dose mGy	4.2	4.1	6.9	10.5	14.2	8.3	5.0
Thorax imaging protocol
Position	1	2	3	4	5	6	7
Dose mGy	11.0	13.9	18.7	19.8	19.8	21.8	14.4

Bold indicate treatment dose area; shaded boxes indicate contra-lateral breast region