Table 1

Distribution of CK7, CK20 and CDX2 staining with percentages of positive cells in primary colorectal, gastric and pancreatic adenocarcinomas

Negative

Positive

Total

0

1+

2+

3+

4+

Colorectal adenocarcinoma

CK7

92 (78%)

8 (7%)

6 (5%)

5 (4%)

7 (6%)

118

CK20

19 (16%)

20 (17%)

16 (13%)

22 (19%)

41 (35%)

118

CDX2

4 (3%)

7 (6%)

15 (13%)

21 (18%)

71 (60%)

118

Gastric adenocarcinoma

CK7

12 (20%)

5 (9%)

7 (12%)

6 (10%)

29 (49%)

59

CK20

28 (47%)

16 (27%)

6 (10%)

8 (14%)

1 (2%)

59

CDX2

23 (39%)

13 (22%)

9 (15%)

10 (17%)

4 (7%)

59

Pancreatic adenocarcinoma

CK7

1 (3%)

1 (3%)

1 (3%)

9 (28%)

20 (63%)

32

CK20

25 (78%)

6 (20%)

1 (3%)

0 (0%)

0 (0%)

32

CDX2

27 (85%)

3 (9%)

2 (6%)

0 (0%)

0 (0%)

32

Bayrak et al. Diagnostic Pathology 2012 7:9   doi:10.1186/1746-1596-7-9