Figure 7

Fluorescent immunohistochemical demonstration of β-catenin (FITC) in a 5-μm paraffin obtained from a colon whole mount previously stained with methylene blue. An ACF is shown in the center of the image with smaller, normal crypts at the periphery. No evidence of β-catenin accumulation and/or nuclear translocation is noted in this example. Bar = 20 μm.