Jacky Luiten

56 | Chapter 4 Table 4.6 Histologic subtypes of high‐risk lesions and year of diagnosis at core needle biopsy. Screening year Histology 2011 2012 2013 2014 2015 2016 Papillary lesion 17 (68.0) 19 (44.2) 12 (19.7) 22 (39.3) 17 (29.3) 29 (33.7) Columnar cell lesion, flat epithelial atypia 0 6 (14.0) 13 (21.3) 11 (19.6) 23 (39.7) 26 (30.2) Atypical ductal hyperplasia 5 (20.0) 6 (14.0) 16 (26.2) 8 (14.3) 11 (19.0) 17 (19.8) Radial scar, complex sclerosing lesion 0 1 (2.3) 3 (4.9) 3 (5.4) 2 (3.4) 1 (1.2) Lobular carcinoma in situ, atypical lobular Hyperplasia 3 (12.0) 4 (9.3) 0 1 (1.8) 2 (3.4) 3 (3.5) Combination of high‐risk lesions 0 7 (16.3) 14 (23.0) 7 (12.5) 3 (5.2) 7 (8.1) Other 0 0 3 (4.9) 4 (7.1) 0 3 (3.5) Total 25 43 61 56 58 86