Phantom and clinical evaluation of the Bayesian penalised likelihood reconstruction algorithm Q.Clear without PSF correction in amyloid PET images

Wagatsuma, Kei; Sakata, Muneyuki; Miwa, Kenta; Hamano, Yumi; Kawakami, Hirofumi; Kamitaka, Yuto; Yamao, Tensho; Miyaji, Noriaki; Ishibashi, Kenji; Tago, Tetsuro; Toyohara, Jun; Ishii, Kenji

doi:10.1186/s40658-024-00641-3

EJNMMI Physics

Table 3 Standardised uptake value ratio among reconstruction conditions

From: Phantom and clinical evaluation of the Bayesian penalised likelihood reconstruction algorithm Q.Clear without PSF correction in amyloid PET images

Region	Amyloid negative					Amyloid positive
	OSEM	BPL with PSF		BPL without PSF		OSEM	BPL with PSF		BPL without PSF
	SUVR	SUVR	Relative error (%)	SUVR	Relative error (%)	SUVR	SUVR	Relative error (%)	SUVR	Relative error (%)
Composite	0.44 ± 0.04	0.43 ± 0.04	2.3	0.44 ± 0.04	0.0	0.66 ± 0.12	0.66 ± 0.11	0.0	0.66 ± 0.12	0.0
Prefrontal R	0.40 ± 0.05	0.39 ± 0.05	2.5	0.39 ± 0.05	2.5	0.62 ± 0.14	0.62 ± 0.12	0.0	0.62 ± 0.13	0.0
Prefrontal L	0.41 ± 0.06	0.39 ± 0.06	4.9	0.40 ± 0.05	2.4	0.63 ± 0.13	0.64 ± 0.11	− 1.6	0.63 ± 0.12	0.0
Anterior cingulate R	0.44 ± 0.07	0.41 ± 0.08	6.8	0.43 ± 0.07	2.3	0.68 ± 0.14	0.66 ± 0.13	0.0	0.67 ± 0.14	1.5
Anterior cingulate L	0.48 ± 0.07	0.45 ± 0.08	6.2	0.47 ± 0.07	2.1	0.73 ± 0.14	0.72 ± 0.12	1.4	0.71 ± 0.14	2.7
Precuneus R	0.43 ± 0.05	0.41 ± 0.05	4.7	0.43 ± 0.06	0.0	0.70 ± 0.13	0.68 ± 0.12	2.9	0.68 ± 0.13	2.9
Precuneus L	0.47 ± 0.06	0.45 ± 0.06	4.3	0.46 ± 0.06	2.1	0.74 ± 0.12	0.73 ± 0.10	1.4	0.72 ± 0.12	2.7
Parietal R	0.47 ± 0.04	0.45 ± 0.04	4.3	0.46 ± 0.04	2.1	0.68 ± 0.13	0.68 ± 0.12	0.0	0.67 ± 0.12	1.5
Parietal L	0.44 ± 0.04	0.43 ± 0.04	2.3	0.44 ± 0.04	0.0	0.65 ± 0.12	0.65 ± 0.10	0.0	0.64 ± 0.12	1.5
Temporal lateral R	0.51 ± 0.03	0.49 ± 0.03	3.9	0.50 ± 0.03	2.0	0.70 ± 0.14	0.69 ± 0.13	1.4	0.69 ± 0.14	1.4
Temporal lateral L	0.48 ± 0.03	0.47 ± 0.03	2.1	0.48 ± 0.03	0.0	0.69 ± 0.12	0.69 ± 0.11	0.0	0.68 ± 0.12	1.4
Occipital R	0.50 ± 0.04	0.49 ± 0.04	2.0	0.50 ± 0.04	0.0	0.65 ± 0.12	0.64 ± 0.12	0.0	0.64 ± 0.12	1.5
Occipital L	0.50 ± 0.03	0.49 ± 0.03	2.0	0.50 ± 0.03	0.0	0.65 ± 0.12	0.65 ± 0.12	0.0	0.65 ± 0.12	0.0
Sensorimotor R	0.45 ± 0.06	0.44 ± 0.06	2.2	0.45 ± 0.06	0.0	0.55 ± 0.10	0.55 ± 0.10	0.0	0.55 ± 0.10	0.0
Sensorimotor L	0.45 ± 0.06	0.44 ± 0.06	2.2	0.44 ± 0.06	2.2	0.55 ± 0.09	0.55 ± 0.09	0.0	0.55 ± 0.09	0.0
Temporal mesial R	0.46 ± 0.04	0.44 ± 0.04	4.3	0.45 ± 0.04	2.2	0.50 ± 0.05	0.49 ± 0.05	2.0	0.50 ± 0.05	0.0
Temporal mesial L	0.46 ± 0.04	0.44 ± 0.04	4.3	0.45 ± 0.04	2.2	0.51 ± 0.06	0.50 ± 0.06	2.0	0.51 ± 0.06	0.0

Values are shown as average ± standard deviation

Back to article page