chapter  8
Cross-Sectional Imaging in the Evaluation of Crohn's Disease
Pages 42

Because computed tomography (CT), ultrasonography, and magnetic resonance (MR) imaging can directly image pathological changes in the bowel wall, serosa, surrounding mesentery, and lymph nodes, they can provide crucial information for accurate diagnosis and management of many of the complications of Crohn 's disease. These techniques can also be used to guide percutaneous abscess drainage and monitor the therapeutic response (2,3).