In a newborn baby, congenital atresia of the right colon was treated successfully with resection of the proximal intestine and end-to-end ileotransverse colostomy. A disparity in the size of the right colon in comparison to that of the terminal part of the ileum was noted, and was probably due to competence of the ileocecal valve, which prevented backward flow from the right colon to the ileum. This factor, combined with colonic atresia, may lead to a gangrenous right colon with perforation of the intestine if early diagnosis is not established.
Lee SS, Kim KY, Hong PW. Congenital Atresia of the Colon. JAMA. 1967;202(13):1148-1150. doi:10.1001/jama.1967.03130260070018