Table 2.
MRI findings of 217 patients with a preoperative histopathologic diagnosis of DCIS
| DCIS (N = 202) | Invasive component (N = 15) | p | |
|---|---|---|---|
| MRI tumor size | 0.172 | ||
| ≤ 2 cm | 99 (49.0%) | 6 (40.0%) | |
| > 2 cm | 101 (50.0%) | 8 (53.3%) | |
| Not seen | 2 (1.0%) | 1 (6.7%) | |
| Nipple-areolar complex invasion | 1.000 | ||
| Absent | 191 (94.6%) | 14 (93.3%) | |
| Present | 11 (5.4%) | 1 (6.7%) | |
| Enlarged lymph node | 0.612 | ||
| Absent | 166 (82.2%) | 11 (73.3%) | |
| Present | 36 (17.8%) | 4 (26.7%) | |
| MRI NME | 0.002 | ||
| Mass | 102 (50.5%) | 12 (80.0%) | |
| NME | 100 (49.5%) | 3 (20.0%) | |
| Enhancement peak | 0.649 | ||
| ≤ 100% | 37 (18.3%) | 4 (26.7%) | |
| > 100% | 165 (81.7%) | 11 (73.3%) | |
| Initial enhancement pattern of dynamic curve | 0.735 | ||
| Rapid | 162 (80.2%) | 11 (73.3%) | |
| Medium | 26 (12.9%) | 3 (20.0%) | |
| Slow | 14 (6.9%) | 1 (6.7%) | |
| Kinetic pattern | 0.253 | ||
| Persistent | 68 (33.7%) | 4 (26.7%) | |
| Plateau | 68 (33.7%) | 3 (20.0%) | |
| Washout | 66 (32.7%) | 8 (53.3%) |
Data are expressed as n (%)
Abbreviations DCIS Ductal carcinoma in situ, US Ultrasonography, NME Non-mass enhancement