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Rectal prolapse

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Rectal prolapse

Definition:

Rectal prolapse is the abnormal protrusion of the rectal mucosa down to or through the anal opening.

Causes, incidence, and risk factors:

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When protruding through the anus, prolapse appears as a red mass that may be several inches long. The rectal mucosa is visible and may bleed slightly. Rectal prolapse occurs predominantly in children under age 6, and in the elderly.

Rectal prolapse is often associated with other conditions such as:

• Pinworms (enterobiasis)
• Whipworm infection (trichuriasis)
• Cystic fibrosis
• Malnutrition and malabsorption (celiac disease is an example)
• Constipation
• Prior trauma to the anus or pelvic area

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