Research Article
Evaluation of Features in Probably Benign and Malignant Nonmass Enhancement in Breast MRI
Table 2
MR imaging descriptors in NME (nonmass enhancement) lesions.
| Descriptor | Malignant () (%) | Benign () (%) | value |
| Distribution | Focal | 4 (22.2) | 24 (53.4) | 0.023 | Linear | 0 (0.0) | 11 (24.4) | 0.01 | Segmental | 12 (66.7) | 8 (17.7) | 0.0001 | Regional | 0 (0.0) | 2 (4.5) | 0.08 | Diffuse | 2 (11.1) | 0 (0.0) | 0.078 | Internal enhancement patterns | Heterogeneous | 10 (55.5) | 21 (46.7) | 0.3 | Clustered ring | 4 (22.3) | 0 (0.0) | 0.001 | Clumped | 3 (16.7) | 6 (13.3) | 0.7 | Homogeneous | 1 (5.5) | 18 (40) | 0.007 | Kinetic curve | Persistent | 3 (16.7) | 45 (100) | 0.0001 | Plateau | 10 (55.5) | 0 (0.0) | 0.0001 | Washout | 5 (27.8) | 0 (0.0) | 0.0001 | Diffusion restriction | Present | 16 (89) | 2 (11.1) | 0.0001 | Absent | 2 (11) | 43 (95.6) |
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