Table 1.
B‐mode sonographic features of benign and malignant lymph nodes of dogs
| B‐mode sonographic features | Benign | Malignant | P |
|---|---|---|---|
| (N = 67) | (N = 49) | ||
| LA (cm) | 2.61 ± 0.88* | 3.43 ± 1.39* | .0002 |
| SA (cm) | 1.15 ± 0.37** | 2.18 ± 1.12** | <.0001 |
| SLA ratio | 0.46 ± 0.14** | 0.64 ± 0.16** | <.0001 |
| Irregular contour | 40 (59.7%) | 26 (53.06%) | .84 |
| Well‐defined border | 60 (89.55%) | 41 (83.67%) | .79 |
| Heterogeneous parenchyma | 33 (49.25%) | 29 (59.18%) | .36 |
| Nodal hilum definition | 43 (64.18%) | 30 (61.22%) | >.99 |
| Hyperechoic perinodal fat | 19 (28.36%) | 20 (40.82%) | .19 |
Abbreviations: LA, long axis; SA, short axis; SLA ratio, short‐to‐long axis ratio.
*
P = .0002 between benign and malignant nodes.
**
P < .0001 between benign and malignant nodes.