What causes pediatric rectal prolapse?

Updated: Nov 12, 2018
  • Author: Jaime Shalkow, MD, FACS; Chief Editor: Carmen Cuffari, MD  more...
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Several predisposing factors have been identified, chronic constipation and straining being most common (52%).

Other causes include diarrhea (15%), [5] rectal parasites [17] , neuromuscular and pelvic nerve disorders, myelomeningocele, bladder and cloacal exstrophy, Hirschsprung disease, high anorectal malformations, [18] cystic fibrosis, chronic respiratory infections and cough, [19] lymphoid hyperplasia, rectal polyps, and shigellosis. [20] Rectal prolapse has been described in a case of Clostridium difficile –associated pseudomembranous colitis in a child. [21]

Broden and Snellman demonstrated cineradiographically, that the entity implies a circumferential intussusception of the rectum, with its origin 3 inches above the anal margin. [22]  

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