Table 2.
Comparison of ALN metastasis with MDCT variables.
| Characteristic | All patients | ALN metastasis | P-value | |
|---|---|---|---|---|
| Negative (n = 87) | Positive (n = 61) | |||
| Long-axis diameter (mm) | 13.4 ± 5.3 | 12.5 ± 4.2 | 14.7 ± 6.4 | 0.065 |
| Short-axis diameter (mm) | 8.5 ± 3.6 | 7.4 ± 2.5 | 10.0 ± 4.3 | <0.001 |
| Ratio of long-/short-axis | 1.7 ± 0.5 | 1.8 ± 0.6 | 1.5 ± 0.4 | 0.006 |
| Cortical thickness (mm) | 4.6 ± 4.5 | 2.6 ± 2.8 | 7.5 ± 5.0 | <0.001 |
| Shape (%) | <0.001 | |||
| Oval | 75 (50.7) | 59 (78.7) | 16 (21.3) | |
| Round | 73 (49.3) | 28 (38.4) | 45 (61.6) | |
| Fatty hilum (%) | <0.001 | |||
| Yes | 68 (45.9) | 61 (89.7) | 7 (10.3) | |
| No | 80 (54.1) | 26 (32.5) | 54 (67.5) | |
ALN, axillary lymph nodes; MDCT, multidetector-row computed tomography.