Table 5.
Association of CLS-B with histologic impression and lobular involution
| N (%) with any CLS-B | ||||
|---|---|---|---|---|
| Overall | KTB | BBD controls | BBD cases | |
| Histologic impression | ||||
| No histologic abnormality | 2/54 (3.7%) | 2/54 (3.7%) | - | - |
| Nonproliferative disease | 11/79 (13.9%) | 1/22 (4.5%) | 8/34 (23.5%) | 2/23 (8.7%) |
| Proliferative disease without atypia | 18/87 (20.7%) | 0/7 (0%) | 5/38 (13.2%) | 13/42 (31.0%) |
| Proliferative disease with atypia | 9/36 (25.0%) | 0/1 (0%) | 3/14 (21.4%) | 6/21 (28.6%) |
| Lobular involution | ||||
| None | 2/36 (5.6%) | 1/4 (25.0%) | 0/12 (0%) | 1/20 (5%) |
| Partial | 22/114 (19.3%) | 1/35 (2.9%) | 7/37 (18.9%) | 14/42 (33.3%) |
| Complete | 14/96 (14.6%) | 1/44 (2.3%) | 9/36 (25.0%) | 4/16 (25.0%) |