Table 4.
Distribution of recombined image patterns by histopathological results
| Subtracted image patterns | Histopathological results | p-value | ||
|---|---|---|---|---|
| Benign (66) | Malignant (89) | |||
| Enhancement | Enhanced | 22* (33.3%) | 89 (100%) | – |
| Non enhanced | 44 (66.6%) | 0 | ||
| Shape | Oval | 14/22* (63.7%) | 39 (43.8%) | 0.002 |
| Round | 5/22* (22.7%) | 5 (5.6%) | ||
| Irregular | 3/22* (13.6%) | 45 (50.6%) | ||
| Margins | Circumscribed | 12/22* (54.5%) | 13 (14.6%) | < 0.001 |
| Irregular | 8/22* (36.4%) | 48 (54.0%) | ||
| Spiculated | 2/22* (9.1%) | 28 (31.4%) | ||
| Internal enhancement | Homogeneous | 13/22* (59.1%) | 40 (45.0%) | 0.001 |
| Heterogeneous | 6/22* (27.3%) | 49 (55.0%) | ||
| Rim enhancement | 1/22* (4.5%) | 0 | ||
| Dark internal septation | 2/22* (9.1%) | 0 | ||
| Dynamic kinetic curve | Persistent | 15/22* (68.2%) | 4 (4.5%) | < 0.001 |
| Plateau | 6/22* (27.3%) | 24 (27.0%) | ||
| Washout | 1/22* (4.5%) | 61 (68.5%) | ||
– quantity of enhanced mass lesions available for interpretation on recombined image