| Benign | Malignant | ||
---|---|---|---|---|
Shape | ||||
Round | 13 | 48.1% | 14 | 35.0% |
Oval | 10 | 37.0% | 6 | 15.0% |
Irregular | 4 | 14.8% | 20 | 50.0% |
Margin | ||||
Circumscribed | 19 | 70.4% | 9 | 22.5% |
Non-circumscribed | 8 | 29.6% | 31 | 77.5% |
Internal enhancement characteristics | ||||
Homogeneous | 13 | 48.1% | 7 | 17.5% |
Heterogeneous | 12 | 44.4% | 31 | 77.5% |
Rim enhancement | 2 | 7.4% | 2 | 5.0% |