Gold marker displacement due to needle insertion during HDR-brachytherapy for treatment of prostate cancer: A prospective cone beam computed tomography and kilovoltage on-board imaging (kV-OBI) study

Table 3 Volume changes of the prostate gland for each patient between CT-scan after first HDR and CBCT-scan after second HDR-brachytherapy

Patient	First HDR-brachytherapy		Second HDR-brachytherapy
	Number of needles used	Volume of the prostate gland (ml)	Number of needles used	Volume of the prostate gland (ml)
1	17	45	18	52
2	17	45	18	45
3	14	20	17	27
4	14	18	15	21
5	15	24	16	39
6	15	31	18	37
7	16	37	18	56
8	16	22	17	27
9	18	66	18	89
10	16	33	17	38
11	18	51	17	42
12	18	22	17	24
13	18	40	17	54
14	16	34	17	26
15	17	57	18	69
16	18	23	17	38
17	16	22	18	28
18	14	28	17	45

ISSN: 1748-717X