Enhancing the clinical diagnosis of the acute and subacute phases of autoimmune encephalitis and predicting the risk factors: the potential advantages of 18F-FDG PET/CT

Table 2 The comparison between 18F-FDG PET and MRI diagnosis

Patient number	Antibody type	Sex	Age (years)	18F-FDG PET diagnoses	18F-FDG PET delay (days)	MR diagnoses	MR delay (days)	Accordance between 18F-FDG PET and MR
1	NMDAR	Female	36	Encephalitis	30	Encephalitis	20	Yes
2	NMDAR	Male	34	Encephalitis	20	Encephalitis	20	Yes
3	NMDAR	Female	13	—	—	Normal	8	—
4	NMDAR	Female	14	—	—	Demyelination	3	—
5	NMDAR	Male	25	—	—	—	—	—
6	NMDAR	Female	25	—	—	Normal	60	—
7	LGI1	Female	64	Encephalitis	30	Encephalitis	4	Yes
8	LGI1	Female	56	—	—	Normal	9	—
9	LGI1	Male	67	—	—	Normal	60	—
10	LGI1	Female	61	—	—	Normal	90	—
11	LGI1	Male	54	Encephalitis	21	Normal	11	No
12	LGI1	Female	40	Encephalitis	6	Normal	2	No
13	LGI1	Male	54	Encephalitis	30	Encephalitis	1	Yes
14	LGI1	Male	55	Encephalitis	30	Normal	30	No
15	GABABR	Male	41	—	—	Encephalitis	14	—
16	GABABR	Male	66	Encephalitis	30	Encephalitis	1	Yes
17	GABABR	Female	56	Encephalitis	24	Normal	21	No
18	GABABR	Male	64	Encephalitis	16	Normal	5	No
19	GABABR	Male	57	Encephalitis	14	Normal	1	No
20	HU	Female	55	Encephalitis	14	Normal	1	No
21	HU	Female	67	Normal	183	Normal	150	No
22	HU	Male	77	Encephalitis	30	Normal	30	No
23	HU	Female	60	Encephalitis	90	Normal	90	No
24	SOX1 and HU	Female	51	Encephalitis	60	Encephalitis	30	No
25	SOX1 and HU	Female	63	Encephalitis	14	Normal	7	No
26	HU and RI	Female	66	Encephalitis	183	Normal	7	No
27	GAD65-Ab +	Female	64	Encephalitis	60	Encephalitis	50	Yes
28	GAD65-Ab +	Female	55	Encephalitis	300	Normal	300	No
29	PNMA2 + /Ma2/Ta	Female	48	Encephalitis	14	Encephalitis	2	Yes
30	Amphiphysin	Male	63	Encephalitis	7	Normal	1	No
31	CASPR2	Male	55	—	—	Normal	14	—
32	GFAP	Female	35	—	—	Encephalitis	7	—

Abbreviations: 18F-FDG PET 2-deoxy-2-[18F]fluoro-D-glucose positron emission tomography, MRI magnetic resonance imaging, NMDAR N-methyl-D-aspartate receptor, LGI1 leucine-rich glioma inactivated-1, CASPR2 contacting-associated protein-2, GABABR gamma-aminobutyric acid receptor, AMPAR α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptor, GAD65 glutamic acid decarboxylase

ISSN: 1471-2342