11. Medicare also covers a barium enema X-ray, which can detect colorectal cancer as well. 12. -A double contrast barium enema every 5 to 10 years. 13. KUB is also done as a scout film for other procedures such as barium enemas . 14. Unequivocally, the barium enema in 1981 missed a polyp, 15. For this reason it is used as a radiocontrast agent in barium enemas " ). 16. Confirmation comes from giving a child a barium enema and then taking X-rays of the region. 17. The story erroneously implied that the barium enema is recommended with both of the other procedures. 18. Air or double-contrast barium enema with X-ray. 19. Dear Dr . Smith : Because I have bowel problems, a Barium Enema examination was ordered for me. 20. Fiber-optic colonoscopes have proved far better than older barium enema tests in finding potentially cancerous growths in the colon.