The ileo-cecal valve is the entry point for small bowel enteric contents as they dump into the cecum. It is important to understand that the ileo-cecal valve is located within a fold within the cecum. The valve should be symmetric with respect to the valve orifice on 2D and 3D views. By narrowing the window and level settings to soft tissue settings, one can visualize the internal fatty attenuation of the valve and its associated fold, and distinguish this from suspicious filling defects (Figs. 14.10 and 14.11). Several normal variants of ileo-cecal valve morphology have been described (Macari and Megibow 2001), but an assessment of the 2D and 3D morphology and internal attenuation is usually sufficient. Lipo-matous ileo-cecal valves retain benign features we
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