The sign as represented by an arrow in the CT abdomen picture shown below, is seen in ?
A. Crohns disease.
B. Ulcerative colitis.
D. Intestinal lymphoma.
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