Table IV.
False-negative cases (n=6).
| Case | Age (years) | Histological type | Nuclear grade | Tumor size (mm) | Direction of positive margin, invasion or intraductal (no.) | Additional therapy |
|---|---|---|---|---|---|---|
| 1 | 63 | 2a1 | 3 | 18 | Contralateral side of NPL: invasion (1 piece) | Radiation |
| 2 | 39 | 2a1 | 1 | 26 | NPL side: intraductal (1 piece) | Radiation |
| 3 | 51 | 2a1 | 3 | 11 | NPL side: intraductal (2 pieces) | Radiation |
| 4 | 42 | 2a3 | 3 | 20 | Lateral side: intraductal (2 pieces) | Radiation |
| Contralateral side of NPL: intraductal (1 piece) | ||||||
| 5 | 62 | 1a | 1 | 0 | NPL side: intraductal (1 piece) | Radiation |
| Lateral side: intraductal (1 piece) | ||||||
| 6 | 60 | 2a1 | 3 | 17 | NPL side: intraductal (1 piece) | Additional resection + radiation |
| Lateral side: intraductal (3 pieces) |
Touch cytology, negative; permanent histological analysis, positive. 1a, non-invasive ductal carcinoma; 2a1, papillotubular carcinoma; 2a3, scirrhous carcinoma.