Table 1.
Histology, demographic and risk factor data.
| Number of patients | |
|---|---|
| Histology (N = 107) | |
| ADH | 44 (41.1%) |
| LN | 46 (43.0%) |
| AIDEP | 5 (4.7%) |
| ADH, LN | 11 (10.3%) |
| AIDEP, LN | 1 (0.9%) |
| Diagnostic pathway (N = 107) | |
| CB only | 3 (2.8%) |
| CB → VAB/VAE | 31 (29.0%) |
| CB → VAB → EBa | 37 (34.6%) |
| CB → EBb | 36 (33.6%) |
| Ethnicity (N = 107) | |
| White | 76 (71.0%) |
| Asian (Pakistani, Indian, Chinese) or Mixed | 6 (5.6%) |
| Unknown | 25 (23.4%) |
| BIRADS Density (N = 107) | |
| A | 8 (7.5%) |
| B | 53 (49.5%) |
| C | 36 (33.6%) |
| D | 10 (9.4%) |
| Family History (n = 105c) | |
| None | 49 (46.7%) |
| First-degree | 8 (7.6%) |
| Second-degree | 8 (7.6%) |
| Unknown | 40 (38.1%) |
| Age of Menarche (n = 105c) | |
| 11–13 | 30 (28.6%) |
| 14–16 | 16 (15.2%) |
| Unknown | 59 (56.2%) |
| Age of First Pregnancy (n = 105c) | |
| 14–19 | 9 (8.6%) |
| 20–24 | 16 (15.2%) |
| 25–29 | 11 (10.5%) |
| 30–34 | 9 (8.6%) |
| Nulliparous | 10 (9.5%) |
| Unknown | 50 (47.6%) |
| Menopausal status (n = 105c) | |
| Premenopausal | 14 (13.3%) |
| Perimenopausal | 7 (6.7%) |
| Postmenopausal | 49 (46.7%) |
| Unknown | 35 (33.3%) |
| Age of menopause (n = 49) | |
| 42–45 | 5 (10.2%) |
| 46–50 | 12 (24.5%) |
| 51–55 | 7 (14.3%) |
| Unknown | 15 (30.6%) |
| Previous Hormone Replacement Therapy (n = 49) | |
| Yes | 18 (36.7%) |
| No | 21 (42.9%) |
| Unknown | 10 (20.4%) |
ADH atypical ductal hyperplasia, LN lobular neoplasia, AIDEP Atypical IntraDuctal Epithelial Proliferation, CB Core biopsy, VAE vacuum assisted excision, VAB vacuum assisted biopsy, EB excision biopsy, BIRADS Breast Imaging and Reporting Data System.
aOne without CB.
b2 with FNA prior to CB.
cPaper records were not available for 2 patients.