Gastroenterology Research, ISSN 1918-2805 print, 1918-2813 online, Open Access
Article copyright, the authors; Journal compilation copyright, Gastroenterol Res and Elmer Press Inc
Journal website http://www.gastrores.org

Original Article

Volume 2, Number 5, October 2009, pages 277-281

Hepatocyte Paraffin 1 Immunoreactivity in Early Colon Carcinogenesis

Figures

Figure 1.
Figure 1. Tubular adenoma with low grade dysplasia, showing focal Hep par 1 positivity mainly located in areas with low grade dysplasia. H&E original magnification x 100.
Figure 2.
Figure 2. At high power, Hep-Par1 shows a granular cytoplasmic pattern, related to its mitochondrial location, in low grade dysplasia adenoma. H&E original magnification x 400.
Figure 3.
Figure 3. Tubulo villous adenoma with high grade dysplasia. Hep par 1 strong reactivity confined to an area of high grade dysplasia. Mild focal immunoreactivity is also present in glands with low grade dysplasia. H&E original magnification x 250.
Figure 4.
Figure 4. Colon adenocarcinoma showing diffuse immunoreactivity for Hep par 1. H&E original magnification x 250.
Figure 5.
Figure 5. Colon adenocarcinoma showing positivity for Hep-par 1 in deep infiltrating tumor cells. H&E original magnification x 400.