Ultrasonographic imaging of inflammatory bowel disease in pediatric patients

Figure 2 Segmental Crohn’s disease. Note the “dirty” bowel wall thickening with loss of layer structure and the transmural inflammation without fistula and abscess formation. A: The periintestinal inflammatory reaction is shown by surrounding tissue (FAT CAP) (A). Crohn’s disease; B: Note the transmural inflammation (TMR) with fistula and abscess formation. The lumen is also indicated.