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Article
March 31, 1917

UMBILICAL POLYPWITH REPORT OF A CASE

JAMA. 1917;LXVIII(13):965-966. doi:10.1001/jama.1917.04270030297007
Abstract

Umbilical polyp is a remnant of the omphalomesenteric or vitelline duct. Normally on the fifth or seventh day after birth the umbilical stump drops off, and in a few days the remaining surface closes over. With umbilical polyp, the region of the navel remains bright red with a granular appearance following the separation of the stump. It bleeds easily, resists local treatment, and a painless, bleeding condition continues for months or years. Persistent weeping from a cord stump in infants is often due to a patent omphalomesenteric duct.

This granular looking surface is revealed by the microscope to consist of intestinal mucosa with villi, glands of Lieberkühn, goblet cells, muscularis mucosa, etc. The presence of intestinal mucosa is explained by the fact that in the early embryo the omphalomesenteric duct communicates with the digestive tract. At the beginning of embryonic life the yolk sac, which is spherical, communicates with the

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