Determination of gamma camera calibration factors for quantitation of therapeutic radioisotopes

EJNMMI Physics

Table 7 Experimental camera CF determined using different phantom configurations

Experiment number	Isotope	Experimental configuration	CF [cps/MBq]	Mean CF value [cps/MBq]
1	¹³¹I	A ➔ PS	58.32	58.3
2		B ➔ HS + CB	59.94	60.5
3		B ➔ HS + CB	61.10	60.5
4		C ➔ HS + WB	56.91	55.0
5		C ➔ HS + WB	53.05	55.0
6	¹⁷⁷Lu	A ➔ PS	9.94	9.4
7		A ➔ PS	8.93	9.4
8		B ➔ HS + CB	11.04	10.5
9		B ➔ HS + CB	9.87	10.5
10		C ➔ HS + WB	9.75	9.5
11			9.68
12			9.84
13			8.90
14		D ➔ HC	10.10	10.1
15	¹⁸⁸Re	A ➔ PS	15.8	16.5
16			17.56
17			15.99
18		B ➔ HS + CB	18.64	18.5
19		B ➔ HS + CB	18.26	18.5
20		C ➔ HS + WB	15.09	15.5
21		C ➔ HS + WB	15.95	15.5