Research Article
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 |
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