![]() ![]() Perienteric fat stranding disproportionally more severe than the degree of wall thickening suggests an inflammatory condition.Focal, irregular and asymmetrical thickening of the bowel wall suggests a malignancy.Thickening of the bowel wall may be focal (40 cm) in extension.With the exception of lymphoma, segmental or diffuse wall thickening is usually caused by benign conditions, such as ischaemic, infectious and inflammatory diseases. When fat stranding is disproportionately more severe than the degree of wall thickening, inflammatory conditions are more likely. Bowel tumours may appear as either regular and symmetric or irregular or asymmetric thickening. Conclusionįocal bowel wall thickening may be caused by tumours or inflammatory conditions. In cases of segmental or diffuse thickening, the pattern of attenuation in light of clinical findings helps narrowing the differential diagnosis. In cases of focal thickening further analysis of the wall symmetry and perienteric anomalies allows distinguishing between neoplasms and inflammatory conditions. First, distinction should be made between focal and segmental or diffuse wall thickening. Thickening of the small or large bowel wall may be caused by neoplastic, inflammatory, infectious, or ischaemic conditions. In this article we present a simplified algorithm-based approach to the thickening of the small and large bowel wall detected on routine computed tomography (CT) of the abdomen.
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