| MDCT criteria Patients | Pattern of enhancement | Length of involvement | Degree of thickening | Symmetric or asymmetric thickening | Location along the small bowel | Location within the wall | Mesentery and lymph nodes |
| F40Y | heterog | focal | moderate | asymm | duod | Mucosa, Submu | - |
| F50Y | heterog | focal | moderate | asymm | doud | Mucosa-submu. | -------- |
| M55Y | Hetero. | Focal | Moderate | Asymm | Doud | Mucosa-submuc | ………… |