Image Based Question-67060

The sign as represented by an arrow in the CT abdomen picture shown below, is seen in ?

A. Crohns disease.

B. Ulcerative colitis.

C. Tuberculosis.

D. Intestinal lymphoma.

Correct Answer » A Explanation

The sign shown in the CT abdomen picture above represents Comb sign i.e dilated veins on mesenteric side of ileum.

CT finding in Crohns disease:

• Mural thickening with stratification is seen with active inflammation
• Vascular engorgement of the mesentery (comb sign)
• Hypodense lymph nodes.

CT findings in intestinal tuberculosis:

• Mural thickening with contiguous ileo-cecal involvement
• Hypodense lymph nodes with peripheral enhancement