1. That's another reason why a digital rectal examination is very important. 2. Displacements, torsions, strangulations, and impactions may be identified on rectal examination . 3. However, the diagnostic benefits of a rectal examination almost always outweigh these risks. 4. Digital rectal examination ( DRE ) may allow a doctor to detect prostate abnormalities. 5. The tumor could not be felt on rectal examination . 6. The bowels are previously emptied with a suppository, and a digital rectal examination is first performed. 7. It also recommended against routine screening for prostate cancer with prostate-specific antigen or digital rectal examination . 8. He gives Louie a rectal examination , but presses his finger in and out of his anus. 9. "It's abundantly clear-- PSA along with direct rectal examination is very effective in detecting early cancer. 10. Rectal examination reveals a mass at the base of the cecum in 50 % of cases.