A catheter-based enterography is a minimally invasive procedure that is more effective in finding abnormalities in the intestinal wall. A catheter is placed in the duodenojejunal flexure to allow water to be pumped in before the CT scan begins.

Small intestine MRI is a special imaging method that helps doctors observe the detailed structure of the small intestine loops, thereby accurately diagnosing diseases such as small intestine abscess, intestinal obstruction, complications of Crohn's disease and other inflammatory bowel diseases.