Table 1 Histology, demographic and risk factor data.

From: Long term follow-up of women treated for screen detected atypical ductal hyperplasia or lobular neoplasia in a large UK screening centre

 

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%)

  1. 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.
  2. aOne without CB.
  3. b2 with FNA prior to CB.
  4. cPaper records were not available for 2 patients.