Table 5.
Radiological characteristics of patients with second primary breast carcinoma and with those of breast metastases.
| Second primary breast carcinoma (n=123), n (%) | Breast metastases (n=17), n (%) | P value | ||
|---|---|---|---|---|
| Radiological diagnosis | Primary | 107 (86.99%) | 12 (70.59%) | <0.001 |
| Metastasis | 0 (0.00%) | 4 (23.53%) | ||
| Benign | 8 (6.50%) | 1 (5.88%) | ||
| Unsure | 8 (6.50%) | 0 (0.00%) | ||
| Location of breast tumor | Left breast | 56 (45.53%) | 9 (52.94%) | 0.060 |
| Right breast | 61 (49.59%) | 5 (29.41%) | ||
| Bilateral breasts | 6 (4.88%) | 3 (17.65%) | ||
| Quadrant of breast tumor a | Inner quadrant | 22 (18.80%) | 2 (14.29%) | 0.554 |
| Outer Quadrant | 79 (67.52%) | 12 (85.71%) | ||
| Areola | 14 (11.97%) | 0 (0.00%) | ||
| Diffuse lesion | 2 (1.71%) | 0 (0.00%) | ||
| Number of breast tumors | Solitary | 111 (90.24%) | 11 (64.71%) | 0.010 |
| Multiple (Unilateral or bilateral breast) | 12 (9.76%) | 6 (35.29%) | ||
| Ipsilateral axillary lymph node enlargement | Yes | 44 (35.77%) | 7 (41.18%) | 0.664 |
| No | 79 (64.23%) | 10 (58.82%) | ||
| Microcalcification b | Yes | 75 (75.00%) | 1 (14.29%) | 0.002 |
| No | 25 (25.00%) | 6 (85.71%) |
a
Bilateral breast lesions were excluded;
b
Only patients who had undergone mammography were included.