Abstract
Abdominal imaging plays a key role in the evaluation and diagnosis of ileal pouch disorders. The main evaluation modalities include contrast pouchogram (i.e., water-soluble contrast enema and contrast defecography) and cross-sectional imaging [such as computed tomography (CT) and magnetic resonance imaging (MRI)], which are often complementary to each other and to other diagnostic modalities (such as pouchoscopy and anopouch manometry). Water-soluble contrast enema is considered the test of choice for delineating anatomic abnormalities of the pouch, while contrast defecography provides a picture of motility and function of the pouch. Cross-sectional imaging, especially MRI, is recommended for extraluminal abnormalities, such as fistula, acute and chronic anastomotic leak, and abscess.
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