Fig. 3. A case of chronic inflammation and stricture formation in a child with Crohn's disease. (A) Intraoperative picture from ileocecectomy demonstrating the stretched-out stricture. The surgical instrument on the top indicates the area of the worst disease activity. (B) Contrast enhancement curve and quantitative parameters generated from the time-intensity curves based on the drawn region of interest in the terminal ileum.

LDRW: local density random walk, WIWO: wash-in, wash-out, AUC: area under the curve.