PMC3860036_01
CT topography showing dilated large intestine from the caecum to sigmoid colon.
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CT-scan showed grossly distended large intestine from the caecum to the sigmoid colon, with no air in the rectum (see Fig. 1).
Photograph of the cut specimen (sigmoid tumor) showing diseased bowel wall with intact mucosa.
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The cut specimen revealed an obstructing tumor on the mesenteric border, within the wall of the sigmoid colon without involvement of the mucosa (see Fig. 2).
Microscopic photograph (magnification power 2x) showing normal large bowel mucosa and submucosa with endometrial glands within the muscularis propria. Stained with hematoxylin and eosin.
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Microscopically, there was endometrial glandular tissue accompanied by endometrial stroma in the sigmoid 'tumor', with clear margins and no evidence of malignancy (see Fig. 3).