EJNMMI Research

Table 3 %SDu and the relative error between average activity measured and injected activity

From: dAcquisition setting optimization and quantitative imaging for ¹²⁴I studies with the Inveon microPET-CT system

Isotope	Correction	%SDu			Error (%)
		2DFBP	2DOSEM	3DOSEM/MAP	2DFBP	2DOSEM	3DOSEM/MAP
¹⁸F	No correction	6.3	6.7	6.2	-28.3	-28.4	-25.2
	AC	5.0	5.5	5.8	0.6	0.5	6.2
	AC-SC	5.1	5.7	4.8	-1.7	-2.1	3.7
¹²⁴I	No correction	14.3	16.6	15.6	-36.2	-34.7	-34.3
	AC	13.8	16.3	14.5	-8.0	-6.9	-3.6
	AC-SC	14.4	17.8	15.2	-13.7	-13.4	-9.9
	AC-SC-GC	16.9	21.3	14.2	-27.2	-26.6	-23.0

%SDU, percentage standard deviation; 2DFBP, 2D filtered back-projection; 2DOSEM, 2D ordered-subset expectation maximization; 3DOSEM/MAP, 3DOSEM in combination with maximum a posteriori; AC, attenuation correction; SC, scatter correction; GC, gamma-coincidence correction.

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