Table IV.
Mammographic features in DCIS and DCISM.
| Mammographic feature | DCIS, n=50 (%) | DCISM, n=36 (%) | P-value |
|---|---|---|---|
| Calcifications | 37 (74.0) | 23 (63.9) | 0.195 |
| Morphology | 0.130 | ||
| Amorphous | 19 (51.4) | 6 (26.1) | |
| Coarse heterogeneous | 2 (5.4) | 1 (4.3) | |
| Fine pleomorphic | 16 (43.2) | 16 (69.6) | |
| Distribution | 0.002 | ||
| Grouped | 25 (67.6) | 5 (21.8) | |
| Regional | 8 (21.6) | 11 (47.8) | |
| Segmental | 4 (10.8) | 7 (30.4) | |
| Massa | 4 (8.0) | 7 (19.4) | |
| Focal asymmetryb | 6 (12.0) | 6 (16.7) | |
| Architectural distortionc | 3 (6.0) | 0 (0.0) |
a
Masses were irregular, high density with indistinct margin. DCIS group, mass with calcification in 2 cases; DCISM group, mass with calcification in 2 cases.
b
DCIS group, focal asymmetry with calcification in 2 cases; DCISM group, focal asymmetry with calcification in 2 cases.
c
DCIS group, architectural distortion with calcification in 3 cases. DCIS, ductal carcinoma in situ; DCISM, ductal carcinoma in situ with microinvasion.