PMC7396602_01
Computed tomography of the abdomen and pelvis. Dilated ileal loops (arrowheads).
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F1
Figure 1). Superior endoscopy revealed a minimal erythematous gastritis and the colonoscopic evaluation confirmed sigmoid diverticulosis and segmental colitis. Five biopsy specimens were collected for examination during the colonoscopy.
Eosinophilic colitis, histological section. Photography with objective at 200X. Biopsy was fixed in formalin, embedded in paraffin and stained with hematoxylin-eosin. (A) Colonic mucosa with numerous eosinophils infiltrating the lamina propria, of which some with an intraepithelial localization. Polymorphonuclear leukocytes and eosinophils are also seen infiltrating the muscularis mucosa. (B) Numerous eosinophils infiltrating the colonic submucosa.
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F2
The bioptic specimens did not show any signs of granulomas or malignancy and the histopathologic examination thus pleaded for eosinophilic colitis (Figures 2A,B).