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Flexural pseudotumor. (a, b) Magnified coronal 2D (a) and corresponding endoluminal 3D (b) CT colonography images show a CAD polyp candidate (arrow in a and blue area in b) located along the inner aspect of a sharp turn of the colon. On the 3D view, both directions of the colon are seen, a finding that confirms a flexural pseudotumor. The bulbous appearance of this turn should not be mistaken for a polyp, as one reader did during the CAD-assisted session.
