IHC Staining of Mucinous Adenocarcinomas

Mucinous Adenocarcinomas1
Site# casesCK7CK20CDX-2
(focal/hetero)
CDX-2
(diffuse/homo)
β-cateninMUC-1Muc-2MUC-6ERWT-1PAX-8
Lower GI
Anus540%100%20%80%60%40%100%0%0%0%0%
Colon186%100%22%78%61%11%100%6%0%0%0%
Rectum1926%95%21%79%68%11%100%11%0%0%0%
Appendix2741%96%89%11%11%15%100%0%0%0%0%
Upper GI
Ampulla425%25%75%25%25%50%100%75%0%0%0%
Pancreas2596%60%60%4%8%67%52%88%0%0%0%
Stomach1292%67%83%17%45%55%92%58%0%0%0%
Bladder475%100%50%0%25%25%100%0%0%0%0%
Breast18100%0%0%(not reported)0%100%100%50%89%50%0%
Cervix5100%0%0%0%0%100%40%100%60%0%20%
Endometrium3100%0%0%0%0%100%33%0%66%0%100%
Ovary1989%47%21%5%0%32%21%16%11%0%47%
Lung16100%31%13%0%0%94%25%31%0%0%0%
1Determining the Site of Origin of Mucinous Adenocarcinoma: An Immunohistochemical Study of 175 Cases
Am J Surg Pathol vol 35, No 12, Dec 2011, pp1830-36