Table 3 Distribution of expression of ER and PR in metastatic mucinous carcinomas involving the ovary

From: Immunohistochemistry for estrogen and progesterone receptors in the distinction of primary and metastatic mucinous tumors in the ovary: an analysis of 124 cases

Origin

ER a

PR a

 

0

1+

2+

3+

4+

0

1+

2+

3+

4+

Colorectal (n=24)

24 (100%)

0

0

0

0

24 (100%)

0

0

0

0

Unknown (n=15)

15 (100%)

0

0

0

0

15 (100%)

0

0

0

0

Pancreatic (n=13)

13 (100%)

0

0

0

0

13 (100%)

0

0

0

0

Endocervical (n=8)

5 (63%)

1b (13%)

1b (13%)

0

1b (13%)

8 (100%)

0

0

0

0

Gastric (n=4)

4 (100%)

0

0

0

0

4 (100%)

0

0

0

0

Gallbladder/biliary tract (n=4)

4 (100%)

0

0

0

0

4 (100%)

0

0

0

0

Appendiceal (n=4)

4 (100%)

0

0

0

0

4 (100%)

0

0

0

0

  1. aStaining distribution (percentage positive cells): 0: ≤5%; 1+: 6–25%; 2+: 26–50%; 3+: 51–75%; and 4+; 76–100%.
  2. bWeak staining intensity.
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