Neonatal Ileal Perforation due to Type IV Ileocecal Valve Atresia

ing in patients with congenital intestinal atresia. Colonic atresia accounts for only 1.8-5% of intestinal atresia with the reported incidence of 1 in 66 000 births.1,2 Mortality rate of colonic atresia, which increases with delayed treatment, is 25.7%.3 Colonic atresia is mostly located in the right colon.3 Like other intestinal atresia colonic atresia is classified as: Type I, membranous atresia with continuous intestinal wall; Type II, blind ending intestines separated by fibrous cord (no continuous intestinal wall but intact mesentery); Type III, blind ending intestines with mesenteric defect between two ends; Type IV, multiple atresias.4 Most of the colonic atresia is type III (60.4%). The rate of type I (membranous) atresia is 15% and type IV (multiple) atresia is 10% among all colonic atresia.3