Comparison of pathological diagnosis outcomes between CNB and surgery.
| Pathological diagnosis of CNB | Pathological diagnosis of surgery | ||||
|---|---|---|---|---|---|
| Pathological diagnosis | Cases | Consistent with CNB | Cases | Not consistent with CNB | Cases |
| invasive carcinoma | 199 | invasive carcinoma | 199 | benign lesion | 0 |
| non-invasive carcinoma | 5 | non-invasive carcinoma | 2 | invasive carcinoma | 3 |
| atypical hyperplasia | 8 | atypical hyperplasia | 4 | carcinoma | 4 |
| phyllodes tumour | 3 | phyllodes tumour | 3 | other lesion | 0 |
| fibroadenoma | 2 | fibroadenoma | 2 | other lesion | 0 |
| benign lesion | 5 | benign lesion | 0 | carcinoma | 5 |
| normal tissue | 7 | benign lesion | 4 | carcinoma | 3 |
| Total | 229 | total | 214 | total | 15 |
Six cases were not included in Table 1 due to unsuccessful section preparation or uncertain diagnosis, among which, 4 cases and 2 cases were pathologically testified to be carcinoma and benign lesions, respectively after operation.