PMC4011808_01
Mixed type inflammatory cells in the lamina propria, distortion of crypt architecture, and frank crypt abscesses (arrows).
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Histopathologically, in sections of the large bowel mucosa, a hemorrhagic tendency was found in the lamina propria as well as significant infiltration with lymphocytes, eosinophils, and polymorphonuclear cells, with accompanying cryptitis (Figure 1).
Polymorphonuclear infiltration of crypt mucosal cells (arrows).
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The amount of mucus production was normal but the architecture of the small glands was slightly disrupted (unification of crypts, Figure 2).