Table 3: Basal cytokeratin expression in BLBC and bDCIS.

 

BLBC, n (%)

bDCIS, n (%)

CK5/6

CK14

CK17

p value

CK5/6

CK14

CK17

p value

Availability

15/15

9/15

14/15

 

15/15

8/15

13/15

 

Sensitivity/positivity

15/15 (100%)

4/9 (44%)

14/14 (100%)

< 0.001

15/15 (100%)

5/8 (62%)

10/13 (77%)

0.03

Diffusely strong staining

11/15 (73%)

3/4 (75%)

9/14 (64%)

0.87

11/15 (73%)

5/5 (100%)

6/10 (60%)

0.35