Table 3. Comparison of the ultrasonic features and pathological characteristics of the lymph nodes in the different groups.
| Pathological characteristics | Ultrasonic features | ||||
|---|---|---|---|---|---|
| Group A (n=47) | Group B (n=43) | Group C (n=25) | Group D (n=4) | Group E (n=161) | |
| Diffused or clustered follicular structures, n (%) | 45 (95.74) | 0 | 20 (80.00) | 0 | 0 |
| Diffused or clustered atypical follicular epithelial cells with or without papillary structure, n (%) | 0 | 35 (81.40) | 0 | 0 | 21 (13.04) |
| Others, n (%) | 2 (4.30) | 8 (18.60) | 5 (20.00) | 4 (100.00) | 140 (86.96) |
| P | 0.000 | 0.000 | 0.000 | 0.094 | 0.000 |