What is the differential diagnosis for a focal mass projecting into the colon lumen on 3D images (prior to correlation with the 2D images)?
The differential diagnosis for a focal mass identified on 3D images includes tagged stool, impacted fecalith, bulbous fold, lipoma, and polyp. This differential diagnosis underscores the importance of correlating all focal abnormalities detected on 3D images with the 2D images.
