Table 3.
Microcalcifications and pathological findings
| Microcalcification | P value | |||
| + | − | |||
| (n=27) | (n=52) | |||
| Subtype | Luminal A | 0 | 17 | < 0.01 |
| Luminal B(HER2−) | 19 | 25 | ||
| Luminal B(HER2+) | 3 | 2 | ||
| HER2 enriched | 2 | 3 | ||
| Triple negative | 3 | 5 | ||
| Histological classification | Scirrhous carcinoma | 8 | 20 | NS |
| Solid-tubular carcinoma | 7 | 8 | ||
| Papillotubular carcinoma | 11 | 14 | ||
| Special types | 1 | 10 | ||
| Lymphatic invasion | + | 16 | 15 | < 0.05 |
| − | 11 | 36 | ||
| Vascular invasion | + | 2 | 1 | NS |
| − | 25 | 50 | ||
| Comedonecrosis | + | 21 | 17 | < 0.01 |
| − | 5 | 33 | ||
| Nuclear atypia | 1 | 1 | 11 | < 0.05 |
| 2 | 20 | 20 | ||
| 3 | 5 | 11 | ||
| Number of mitotic counts | 1 | 3 | 19 | < 0.05 |
| 2 | 13 | 16 | ||
| 3 | 10 | 7 | ||
| Nuclear grading | 1 | 3 | 19 | < 0.05 |
| 2 | 11 | 10 | ||
| 3 | 12 | 13 | ||
| Lymph node metastases | + | 14 | 8 | < 0.01 |
| − | 13 | 44 | ||
HER2, human epidermal growth factor receptor 2; NS, not significant.