barium enema
Noun
Meaning
enema in which a contrast medium (usually barium sulfate) is injected into the rectum and X-rays are taken to search for lesions
Source: WordNetHypernyms
Examples
CT colonography (also known as virtual colonoscopy or VC for short) may be as useful as a barium enema for detection of tumors, but may use a lower radiation dose.
In barium enema, meconium plug syndrome rather shows normal or dilated colon as compared to micro-colon in meconium ileus.