Table 2 Univariate analysis of US and CEUS characteristics.
Modality and feature | Description | Lymphoma | Benign LNs | P-value |
|---|---|---|---|---|
US | ||||
Shape | Round/oval | 16 | 22 | 0.06 |
Irregular | 7 | 2 | ||
Smooth edge | Yes | 21 | 23 | 0.61 |
No | 2 | 1 | ||
Echogenicity | Hypo-echoic | 22 | 23 | 1.00 |
Mixed-echoic | 1 | 1 | ||
Cystic degeneration | Yes | 2 | 1 | 0.61 |
No | 21 | 23 | ||
Homogeneous echo | Yes | 12 | 19 | 0.06 |
No | 11 | 5 | ||
Hilum | Yes | 9 | 14 | 0.19 |
No | 14 | 10 | ||
Portal blood flow | Yes | 9 | 16 | 0.06 |
No | 14 | 8 | ||
CEUS | ||||
Vascular phase | ||||
Perfusion pattern | Centripetal | 17 | 11 | 0.02 |
Centrifugal | 2 | 11 | ||
Diffuse | 4 | 2 | ||
Enhancement intensity | Hyperenhancement | 15 | 20 | 0.09 |
Isoenhancement | 1 | 4 | ||
Hypoenhancement | 7 | 0 | ||
Homogeneity | Homogeneous | 22 | 23 | 0.71 |
Heterogeneous | 1 | 1 | ||
Postvascular phase | Sunburst sign | 2 | 17 | < 0.01 |
Starfield sign | 21 | 4 | ||
Black hole sign | 0 | 3 | ||
