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Anonymous
A physician can often diagnose this condition with a careful history and a complete anorectal examination. To demonstrate the prolapse, patients may be asked to sit on a commode and "strain" as if having a bowel movement.
Occasionally, a rectal prolapse may be "hidden" or internal, making the diagnosis more difficult. In this situation, an x-ray examination called a videodefecogram may be helpful. This examination, which takes x-ray pictures while the patient is having a bowel movement, can also assist the physician in determining whether surgery may be beneficial and which operation may be appropriate. Anorectal manometry may also be used to evaluate the function of the muscles around the rectum as they relate to having a bowel movement
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