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Virtual Pediatric Hospital: Paediapaedia: Juvenile Polyps of the Colon Paediapaedia: Gastrointestinal Diseases

Juvenile Polyps of the Colon

Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed


Clinical Presentation:
Usually become symptomatic, with hematochezia, by 10 years old. Polyps are the most common cause of bright red rectal bleeding in children over 2 years old. Complications include rectal prolapse, vague abdominal pain, and colocolonic intussusception.

Etiology/Pathophysiology:
Benign inflammatory lesions with no malignant potential. Treatment is conservative as they will auto amputate over time.

Pathology:
Cystic spaces lined by mucous secreting cells.

Imaging Findings:
Are round, pedunculated polyps ranging in size from a few millimeters to several millimeters in diameter. Their most common location (66%) is in the rectosigmoid colon. Twenty-five percent of cases have multiple polyps. The double contrast enema is the imaging procedure of choice.

DDX:
For rectal bleeding in a child:

References:
See References Chapter.

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