Colonic “urticaria” pattern due to early ischemia
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The unusual radiographic pattern of bleblike mounds on the surface of the colon mucosa, previously described as colonic urticaria, was seen in 3 patients in whom no allergic state was present. This urticaria-like pattern was due to colonic distention in all 3, and represented only submucosal edema on the gross and microscopic specimens. We hypothesize that this pattern is due to early changes of ischemia caused by colon distention.
Key wordsColon, urticaria Colitis, ischemia
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