A radiolucent contrast medium allows x-rays to pass through and appear black or dark gray on the resulting film.

Question

Quizplus · Accepted Answer

A radiolucent contrast medium, also known as a negative contrast medium, does indeed allow x-rays to pass through it, resulting in the appearance of black or dark gray on the resulting film. This is in contrast to a radiopaque contrast medium, which appears white or light gray on the film because it does not allow x-rays to pass through.

A Radiolucent Contrast Medium Allows X-Rays to Pass Through and Appear