Fig. 13

A 63-year-old man with CD and a predominant fibrotic stenosis. a US scan demonstrates stenosis of the lumen (arrows) with severe dilatation of the proximal bowel (asterisk). b Post-contrast agent image shows mild enhancement of the bowel wall. Corresponding brightness-time curve shows a 50% increase of enhancement. Pathological examination of the surgical specimen showed significant fibrostenosis with scarce-grade of inflammation