How are juvenile polyposis syndromes classified?

Updated: Jun 06, 2020
  • Author: Jaime Shalkow, MD, FACS; Chief Editor: Cameron K Tebbi, MD  more...
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Juvenile polyposis syndromes with malignant potential are classified as follows [7] :

  • Diffuse juvenile polyposis of infancy - Widespread polyposis of the entire GI tract in patients younger than 6 months.

  • Diffuse juvenile polyposis - Multiple polyps throughout the GI tract but concentrated in the stomach, distal colon, and rectum; usually occurs in patients aged 6 months to 5 years.

  • Juvenile polyposis coli - Multiple polyps confined to the distal colon and rectum in patients aged 5-15 years.

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