Table 3.
Sonographic Features in 519 Patients with Pure DCIS by ER Status
| Feature | ER-negative DCIS (N=106) | ER-positive DCIS (N=413) | P Value |
|---|---|---|---|
|
| |||
| Visible lesion | 65 (61) | 189 (46) | 0.004 |
|
| |||
| Size, cm, mean (SD) 1 | 2.3 (1.7) | 1.6 (1.4) | 0.006 |
|
| |||
| Mass shape2 | 0.296 | ||
| Oval | 6 (16) | 39 (29) | |
| Round | 2 (5) | 7 (5) | |
| Irregular | 29 (78) | 87 (65) | |
|
| |||
| Mass margin3 | 0.284 | ||
| Circumscribed | 3 (9) | 14 (10) | |
| Indistinct | 21 (62) | 65 (49) | |
| Angular | 3 (9) | 15 (11) | |
| Microlobulated | 3 (9) | 31 (23) | |
| Speculated | 4 (12) | 9 (7) | |
|
| |||
| Echogenicity4 | 0.259 | ||
| Hypoechoic | 479 (94) | 117 (82) | |
| Isoechoic/hyperechoic | 0 | 6 (4) | |
| Complex | 3 (6) | 19 (13) | |
|
| |||
| Orientation5 | 0.222 | ||
| Parallel | 18 (58) | 89 (70) | |
| Nonparallel | 13 (42) | 39 (30) | |
|
| |||
| Posterior features6 | 0.023 | ||
| None | 14 (44) | 72 (57) | |
| Enhancement | 0 | 13 (10) | |
| Shadowing | 17 (53) | 35 (28) | |
| Combined | 1 (3) | 6 (5) | |
|
| |||
| Vascularity7 | 15 (68) | 77 (77) | 0.385 |
Note.—Unless otherwise indicated, data are numbers of patients (percentages).
1
Not recorded in 45 patients.
2
Not recorded in 57 patients.
3
Not recorded in 59 patients.
4
Not recorded in 35 patients.
5
Not recorded in 68 patients.
6
Not recorded in 69 patients.
7
Not recorded in 105 patients.