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"The sign may be seen on both CT and MRI. It is not pathognomonic of Crohn disease; however, in a known case of Crohn disease would suggest that the disease was extensive, advanced and active. However, the comb sign can be seen in other acute inflammatory conditions of bowel and lupus mesenteric vasculitis."
"The sign may be seen on both CT and MRI. It is not pathognomonic of Crohn disease; however, in a known case of Crohn disease would suggest that the disease was extensive, advanced and active. However, the comb sign can be seen in other acute inflammatory conditions of bowel and lupus mesenteric vasculitis."