Table 2 Cytological diagnosis, histological follow‐up and operating characteristics of endoscopic ultrasound guided fine needle aspiration (EUS‐FNA) by sampled sites.
| Site | EUS‐FNA diagnosis M/B/A/S/ND (n) | SP F/U (n) | FP or FN (n) | Sensitivity/specificity (%) |
|---|---|---|---|---|
| Lymph nodes | 30/52/7/7/26 | 19 | FP = 1 | 100/99 |
| Peri‐pancreatic | 3/3/1/0/2 | 5 | FN = 2 | 60/100 |
| Hepatobiliary | 15/6/1/0/5 | 7 | FN = 1 | 94/100 |
| Oesophagus | 8/5/0/0/4 | 7 | FN = 1 | 89/100 |
| Stomach | 10/5/1/2/7 | 19 | FN = 1 | 91/100 |
| Mediastinum | 6/3/1/1/1 | 2 | 0 | 100/100 |
| Retroperitoneum | 1/2/1/0/4 | 3 | FN = 1 | 50/100 |
| Lung | 3/1/1/1/1 | 2 | 0 | 100/100 |
| GI tract | 6/5/0/1/3 | 10 | FP = 1 | 100/86 |
| Miscellaneous | 4/0/0/0/0 | 1 | 0 | 100/100 |
M, malignant; B, benign; A, atypical; S, suspicious; ND, non‐diagnostic; SP F/U, surgical pathology follow‐up; FP, false positive; FN, false negative.