PMC4631276_01
Preoperative USG of abdominal cavity. Fluid between intestinal loops in right lower quadrant of the abdomen, near the right hip bone
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Abdominal ultrasonography showed a small amount of fluid between the intestinal loops in the right lower quadrant of the abdomen (Figure 1) and numerous enlarged mesenteric lymph nodes of 20-45 mm (Figure 2).
Preoperative USG of abdominal cavity. Enlarged mesenteric lymph nodes
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Abdominal ultrasonography showed a small amount of fluid between the intestinal loops in the right lower quadrant of the abdomen (Figure 1) and numerous enlarged mesenteric lymph nodes of 20-45 mm (Figure 2).
Lymph node with clearly visible lymph follicles. Magnification 4x, H + E staining
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Histopathological examination of removed appendicitis revealed phlegmonous appendicitis, and, in mesenteric lymph nodes, significant hyperplasia of lymphoid follicles with enlargement of proliferation centres with visible infiltration from multilayer neutrophilic granulocytes was observed (Figures 3-5).
Lymph follicle. In the middle the blast with small infiltration from neutrophilic granulocytes and creation of microabscesses. Magnification 10x, H + E staining
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Histopathological examination of removed appendicitis revealed phlegmonous appendicitis, and, in mesenteric lymph nodes, significant hyperplasia of lymphoid follicles with enlargement of proliferation centres with visible infiltration from multilayer neutrophilic granulocytes was observed (Figures 3-5).
Lymph follicle. In the middle the blast with small infiltration from neutrophilic granulocytes and creation of microabscesses. Magnification 20x, H + E staining
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Histopathological examination of removed appendicitis revealed phlegmonous appendicitis, and, in mesenteric lymph nodes, significant hyperplasia of lymphoid follicles with enlargement of proliferation centres with visible infiltration from multilayer neutrophilic granulocytes was observed (Figures 3-5).
Lymph follicle destroyed by inflammatory process in enlarged blast and multiple microabscesses. Magnification 20x, H + E staining
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What is more, in histopathological image microabscesses were observed (Figure 6), which suggested adenitis mesenterica caused by Y. enterocolitica.