Expression of beta-catenin in a case of ulcerative colitis-associated carcinoma (A) and a case of sporadic colon carcinoma (B). Strong membranous expression is observed in the UC-associated carcinoma (A). Nuclear and cytoplasmic expression is seen in the sporadic colon carcinoma, instead of membranous expression (B).
Mikami et al. Diagnostic Pathology 2011 6:30 doi:10.1186/1746-1596-6-30