Table 4. Diagnostic yield for extrathoracic lesions of the EUS-B-FNA among the distinct studies.
| Study | Type of study | Target lesions | Patient numbers | Method | Accuracy (%) | Sensitivity (%) | NPV (%) |
|---|---|---|---|---|---|---|---|
| Christiansen IS et al. (48) | Retrospective | LAG | 135 | EUS-B-FNA | 87 | 98 | 100 |
| Crombag LMMJ et al. (51) | Prospective | LAG | 44 | EUS-B-FNA | 89 | 87 | – |
| Orzechowski S et al. (52) | Retrospective | LAG | 142 | EUS-B-FNA | 93.3 | 88 | 87 |
| Christiansen IS et al. (55) | Retrospective | Liver lesions | 23 | EUS-B-FNA | 91.3 | 86 | – |
| Retroperitoneal node | 19 | 100 | 83 | – |
EUS-B-FNA, endoscopic ultrasound with bronchoscope-guided fine-needle aspiration; LAG, left adrenal gland; NPV, negative predictive value.