Table 4
Final diagnoses in four patients with equivocal (B3) histology and subsequent malignant pathology
| Reasons for B3 category | Final diagnosis |
|---|---|
| ADH, atypical ductal hyperplasia; DCIS, ductal carcinoma in situ. | |
| Atypical intraductal epithelial proliferation (×2) | (1) Widespread ADH/low grade micropapillary DCIS |
| (2) ADH/DCIS with multifocal invasive carcinoma | |
| Suggestive of radial scar | Radial scar with DCIS |
| Atypical epithelium with granulomatous inflammation | 6 mm invasive ductal carcinoma, grade 3 |
