Table 2.
Magnetic resonance imaging (MRI) features of all patients with non-inflammatory breast cancer (cT2) versus inflammatory breast cancer (cT4d)
| cT4d, n (%) | cT2, n (%) | |
|---|---|---|
| Number of MRIs | ||
| 2 | 6 (40.0) | 3 (25.0) |
| 3 | 9 (60.0) | 9 (75.0) |
| Skin thickening | ||
| None | 1 (6.7) | 8 (66.7) |
| Focal | 2 (13.3) | 2 (16.7) |
| Diffuse | 12 (80.0) | 2 (16.7) |
| Skin enhancement | ||
| None | 1 (6.7) | 9 (75.0) |
| Focal | 3 (20.0) | 1 (8.3) |
| Regional | 4 (26.7) | 2 (16.7) |
| Diffuse | 7 (46.7) | 0 (0.0) |
| Pectoral muscle invasion | 2 (13.3) | 1 (8.3) |
| Axillary lymphadenopathy | ||
| Normal | 10 (66.7) | 9 (75.0) |
| Enlarged | 1 (6.7) | 3 (25.0) |
| Pathological aspects | 4 (26.7) | 0 (0.0) |
| Enhancement pattern | ||
| Non-mass enhancement (NME) | 10 (66.7) | 1 (8.3) |
| Mass | 3 (20.0) | 11 (91.6) |
| NME+Mass | 2 (13.3) | 0 (8.3) |
| NME distribution | ||
| Focal | 0 (0.0) | 0 (0.0) |
| Segmental | 2 (13.3) | 1 (8.3) |
| Regional | 3 (20.0) | 0 (0.0) |
| Diffuse | 7 (46.7) | 0 (0.0) |
| NME internal enhancement pattern | ||
| Homogenous | 0 (0.0) | 0 (0.0) |
| Heterogeneous | 11 (73.4) | 1 (8.3) |
| Clumped | 1 (6.7) | 0 (0.0) |
| Clustered ring | 0 (0.0) | 0 (0.0) |
| Mass margins | ||
| Sharp | 0 (0.0) | 0 (0.0) |
| Indistinct | 0 (0.0) | 5 (41.6) |
| Spiculated | 5 (33.3) | 6 (50.0) |
| Pathological complete response (pCR) | 3 (20.0) | 5 (41.6) |
| Radiological complete response (rCR) | 2 (13.3) | 3 (25.0) |
| rCR and pCR concordant | 2 (66.7) | 2 (40.0) |