Table 2.
Imaging features of DCIS, mIDC, and IDC
| DCIS (n = 112) | mIDC (n = 50) | IDC (n = 44) | P value | |
|---|---|---|---|---|
| Mammography | ||||
| Parenchymal density | 0.492 | |||
| Fatty | 20 (17.9) | 8 (16.0) | 11 (25.0) | |
| Dense | 92 (82.1) | 42 (84.0) | 33 (75.0) | |
| Calcification | 0.025 | |||
| Present | 65 (58.0) | 40 (80.0) | 29 (65.9) | |
| Absent | 47 (42.0) | 10 (20.0) | 15 (34.1) | |
| MRI | ||||
| BPE | 0.145 | |||
| Minimal or mild | 78 (69.6) | 39 (78.0) | 37 (84.1) | |
| Moderate or marked | 34 (30.4) | 11 (22.0) | 7 (15.9) | |
| Multifocality | > 0.999 | |||
| Yes | 5 (4.5) | 2 (4.0) | 1 (2.3) | |
| No | 107 (95.5) | 48 (96.0) | 43 (97.7) | |
| Multicentricity | 0.470 | |||
| Yes | 7 (6.3) | 1 (2.0) | 1 (2.3) | |
| No | 105 (93.8) | 49 (98.0) | 43 (97.7) | |
| Type of lesion | 0.053 | |||
| Non-visualization | 11 (9.8) | 1 (2.0) | 0 (0) | |
| Mass | 50 (44.6) | 18 (36.0) | 19 (43.2) | |
| NME | 51 (45.5) | 31 (62.0) | 25 (56.8) | |
Data values indicate the number of patients (with percentages in parentheses), the mean ± standard deviation, or the median with range.
DCIS ductal carcinoma in situ; mIDC microinvasive ductal carcinoma; IDC invasive ductal carcinoma; BPE background parenchymal enhancement; NME non-mass enhancement