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Causes of False-Positive Results at CT colonography CAD
Based on an analysis of 806 CAD false-positive results from a 100-case, 19-reader trial (24).
Includes anal papillae, internal hemorrhoids, and varices.
Caused by reconstruction, peristalsis or motion, high-attenuation contrast material, or streak artifact.
Includes the following categories that represent <2% of CAD false-positive results each: diverticula (n = 9), rectal tube (n = 5), and lipoma (n = 2).
