General and Systemic Histopathology, C601&C602
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This is obviously a
strip from the wall of the rectum. If you look at it on a white background,
you should be able to easily spot the dilated hemorrhoidal veins. See this slide with the virtual microscope. |
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Note the dilated and thin walled vessels in the sub-mucosa. Some are thrombosed, and some may have an inflammatory infiltrate in the wall or the surrounding tissue. What causes this condition? Where else would you expect to find them? |