Table 2.
Doppler sonographic features of benign and malignant lymph nodes of dogs
| Doppler sonographic features | Benign | Malignant | P |
|---|---|---|---|
| (N = 67) | (N = 49) | ||
| Vascular flow present on DCFM | 61 (91.04%) | 43 (87.75%) | .76 |
| Vascular flow intensity on DCFM | |||
| Mild | 30 (49.18%) | 24 (55.81%) | 0.46 |
| Moderate | 29 (47.54%) | 18 (41.86%) | |
| Intense | 2 (3.28%) | 1 (2.32%) | |
| Vascular flow distribution on DCFM | |||
| Hilar | 47 (77.05%)* | 19 (44.19%)* | .003 |
| Peripheral | 1 (1.64%)* | 4 (9.3%)* | |
| Hilar and peripheral | 13 (21.31%)* | 20 (46.51%)* | |
| Vascular flow present on PD | 65 (97.01%) | 48 (97.96%) | .91 |
| Vascular flow intensity on PD | |||
| Mild | 17 (26.15%) | 16 (33.33%) | .85 |
| Moderate | 42 (64.61%) | 20 (41.67%) | |
| Intense | 6 (9.23%) | 9 (18.75%) | |
| Vascular flow distribution on PD | |||
| Hilar | 45 (69.23%)** | 9 (18.75%)** | <.0001 |
| Peripheral | 0** | 5 (10.42%)** | |
| Hilar and peripheral | 20 (30.77%)** | 32 (66.67%)** | |
| Anomalous vascular flow present | 10 (15.38%)** | 42 (87.5%)** | <.0001 |
| RI | 0.64 ± 0.1** | 0.75 ± 0.1** | <.0001 |
| PI | 1.23 ± 0.42** | 1.84 ± 0.73** | <.0001 |
Abbreviations: DCFM, Doppler color‐flow mapping; PD, Power Doppler; PI, pulsatility index; RI, resistivity index.
*
P < .05 between benign and malignant nodes.
**
P < .0001 between benign and malignant nodes.