Comparison of [⁶⁸Ga]Ga-DOTA-FAPI-04 and [¹⁸F]FDG PET/MRI in the Preoperative Diagnosis of Gastric Cancer

Table 3

Diagnostic performances of [⁶⁸Ga]Ga-DOTA-FAPI-04 and [¹⁸F]FDG PET/MRI in assessment of gastric tumor and lymph node involvement.

Basis of analysis and modality	Imaging diagnosis	Pathologic diagnosis		Sensitivity	Specificity	Accuracy
Primary lesions		+	−
FDG	+	26	3	0.72	0.25	0.68
	−	10	1
FAPI	+	34	3	0.94	0.25	0.88
	−	2	1
value				0.02	1.00	0.07
Metastatic lesions
FDG	+	4	3	0.33	0.82	0.62
	−	8	14
FAPI	+	7	5	0.58	0.71	0.66
	−	5	12
value				0.25	0.50	0.79