Table 2.
Mammographic Features in 1187 Patients with Pure DCIS by ER Status
| Feature | ER-negative DCIS (N=215) | ER-positive DCIS (N=972) | P Value |
|---|---|---|---|
|
| |||
| Visible lesion | 199 (93) | 923 (95) | 0.162 |
|
| |||
| Size, cm, mean (SD)1 | 3.2 (2.8) | 2.8(3.0) | 0.141 |
|
| |||
| Tissue density | 0.054 | ||
| Fatty | 3 (2) | 40 (4) | |
| Scattered fibroglandular | 68 (35) | 267 (29) | |
| Heterogeneously dense | 116 (59) | 550 (59) | |
| Extremely dense | 8 (4) | 68 (7) | |
|
| |||
| Mammographic finding | 0.013 | ||
| Calcifications only | 172 (86) | 785 (85) | |
| Mass only | 7 (4) | 45 (5) | |
| Architectural distortion | 0 | 13 (1) | |
| Focal asymmetry | 3 (2) | 17 (2) | |
| Mass with calcifications | 9 (5) | 34 (4) | |
| Architectural distortion with calcifications | 7 (4) | 6 (1) | |
| Focal asymmetry with calcifications | 1 (1) | 21 (2) | |
|
| |||
| Mass shape2 | 0.323 | ||
| Round | 0 | 14 (19) | |
| Oval | 3 (38) | 23 (31) | |
| Lobular | 0 | 11 (15) | |
| Irregular | 5 (63) | 26 (35) | |
|
| |||
| Mass margin2 | 0.624 | ||
| Circumscribed | 2 (25) | 17 (23) | |
| Microlobulated | 0 | 4 (5) | |
| Obscured | 1 (13) | 26 (35) | |
| Indistinct | 3 (38) | 20 (27) | |
| Spiculated | 2 (25) | 11 (15) | |
|
| |||
| Mass density3 | 0.045 | ||
| Isodense | 8 (100) | 42 (62) | |
| High density | 0 | 26 (38) | |
|
| |||
| Calcifications shape4 | 0.122 | ||
| Round | 1 (1) | 17 (2) | |
| Amorphous | 42 (22) | 166 (21) | |
| Coarse heterogeneous | 39 (21) | 116 (15) | |
| Fine pleomorphic | 81 (42) | 393 (50) | |
| Fine linear/linear branching | 25 (13) | 94 (12) | |
|
| |||
| Calcifications distribution5 | 0.287 | ||
| Diffuse | 2(1) | 8 (1) | |
| Regional | 33 (18) | 109 (14) | |
| Segmental | 41 (22) | 178 (22) | |
| Linear | 5 (3) | 47 (6) | |
| Cluster/group | 105 (56) | 459 (57) | |
Note.—Unless otherwise indicated, data are numbers of patients (percentages).
1
Not recorded in 190 patients.
2
Not recorded in 13 patients.
3
Not recorded in 19 patients.
4
Not recorded in 61 patients.
5
Not recorded in 48 patients.