Helicobacter pylori may be an initiating factor in newly diagnosed ulcerative colitis patients: A pilot study

Figure 1 Study analysis population. H. pylori: Helicobacter pylori.

Figure 2 Demonstrates diffuse mononuclear inflammatory infiltrate in lamina propria and neutrophilic infiltration of the intestinal mucosa with ulceration of the surface epithelium as early changes of ulcerative colitis (HE: × 200).

Figure 3 Giemsa staining of the previous case showing Helicobacter pylori positive rod shape organisms (Giemsa stain: × 1000).

Figure 4 Ulcerative colitis showing crypt abscess and diffuse mononuclear inflammatory infiltrate in lamina propria with eosinophilia (HE: × 400).

Figure 5 Immunoperoxidase staining showing Helicobacter pylori positive organisms stained brown in color (immunoperoxidase stain: × 1000).