During a double-contrast barium enema (BE) procedure, the radiologist suspects a polyp in the descending colon.Which position would best demonstrate this?

Question

Quizplus · Accepted Answer

The right lateral decubitus position is best for demonstrating suspected lesions in the descending colon during a double-contrast barium enema procedure because it allows the air (used as a contrast medium along with barium) to rise and contrast the medial aspect of the descending colon, where polyps would be more visible against the radiolucent air background.

During a Double-Contrast Barium Enema (BE) Procedure, the Radiologist Suspects