Rectal Prolapse is a topic covered in the 5-Minute Emergency Consult.

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Basics

Description

  • Full-thickness evagination of the rectal wall outside the anal opening
  • 3 types of rectal prolapse:
    • Full-thickness prolapse:
      • Protrusion of the rectal wall through the anal canal; the most common
    • Partial thickness or mucosal prolapse:
      • Only mucosal layer protrudes through anus
    • Occult (internal) prolapse or rectal intussusception:
      • Rectal wall prolapse without protrusion through the anus
      • May be difficult to diagnose

Etiology

  • Cause unclear and multifactorial:
    • Chronic constipation/excessive straining
    • Laxity of sphincter:
      • Pelvic floor trauma/weakness; childbearing
      • Neurologic disease
  • More common in women, peak in 7th decade

Pediatric Considerations
  • Very rare after age 4 yr
  • True rectal prolapse unusual in children; more likely partial or intussusception
  • Consider chronic diarrhea, parasites, cystic fibrosis (CF), malnutrition as contributing causes

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Citation

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TY - ELEC T1 - Rectal Prolapse ID - 307575 Y1 - 2016 PB - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307575/all/Rectal_Prolapse ER -