Table 2.
US-FNA sensitivity according to morphological lymph node characteristics and primary tumor size.
| US-FNA sensitivity (number of US-FNA / positive histology / positive US-FNA) | |||||||
|---|---|---|---|---|---|---|---|
| Lymph nodes | T1a | T1b | T1c | T1 | T2 | T3 | Total |
| Normal | 0% | 0% | 0% | 0% | 0% | — | 0% |
| (3 / 0 / 0) | (1 / 0 / 0) | (9 / 5 / 0) | (13 / 5 / 0) | (10 / 1 / 0) | (0 / 0 / 0) | (23 / 6 / 0) | |
| Indeterminate | 100% | 0% | 66.6% | 75% | 78.6% | 100% | 80% |
| (3 / 1 / 1) | (2 / 0 / 0) | (3 / 3 / 2) | (8 / 4 / 3) | (22 / 14 / 11) | (3 / 2 / 2) | (33 /20 / 16) | |
| Suspicious | 50% | 100% | 100% | 92.8% | 89.2% | — | 90.5% |
| (3 / 2 / 1) | (2 / 2 / 2) | (11/ 10 / 10) | (16 / 14 / 13) | (28 / 28 / 25) | (0 / 0 / 0) | (44 / 42 / 38) | |
| Total | 66.6% | 100% | 66.6% | 69.6% | 83.7% | 100% | 79.4% |
| (9 / 3 / 2) | (5 / 2 / 2) | (23 / 18 / 12) | (37 / 23 / 16) | (60 / 43 / 36) | (3 / 2 / 2) | (100 / 68 / 54) | |