PET imaging and quantification of small animals using a clinical SiPM-based camera

EJNMMI Physics

Table 2 Comparison of spatial resolution and image quality parameters obtained between dedicated SA-PET devices and Vision clinical SiPM-based PET system

	MicroPET focus 120 [22]	MosaicHP [23]	Inveon [24]	Flex triumph [25]	Clear PET[26]	rPET [26]	NanoScan [27]	Iris [28]	PET Insert Si 198 [29]	Biograph Vision 450
	MicroPET focus 120 [22]	MosaicHP [23]	Inveon [24]	Flex triumph [25]	Clear PET[26]	rPET [26]	NanoScan [27]	Iris [28]	PET Insert Si 198 [29]	PSF	PSF + G2 mm
Radial FWHM centre FOV (mm)	1.92	2.32	1.81	~ 1.8	1.9	1.4	1.5	1.05	0.75	1.80	-
Radial FWTM centre FOV (mm)	3.66	5.3	3.57	~ 3.6	3.8	2.5	3.29	2.35	1.38	3.35	-
SORwater	0.018	0.063	0.046	0.09	0.27	0.15	0.097	0.11	0.22	0.10	0.10
SORair	0.003	0.027	0.047	0.1	0.37	0.24	0.086	0.11	0.12	0.05	0.05
Uniformity (%SD)	6	5.1	7.447	6.01	-	-	6.53	7.0	6.5	5.54	3.47
RC 5 mm	0.93	0.84	1.059	0.89	0.89	0.81	0.92	0.89	0.94	1.67	1.1
RC 4 mm	0.86	0.7	0.911	0.68	0.73	0.76	0.8	0.82	0.95	1.58	0.91
RC 3 mm	0.75	0.56	0.816	0.56	0.42	0.66	0.65	0.73	0.91	0.9	0.56
RC 2 mm	0.48	0.36	0.604	0.43	0.21	0.46	0.49	0.58	0.64	0.5	0.28
RC 1 mm	0.15	0.16	0.367	0.15	0.14	0.11	0.24	0.14	0.14	0.08	0.06