TY - CHAP M1 - Book, Section TI - Chapter 399. Congenital Atresias, Stenosis, and Webs A1 - Winthrop, Andrea A1 - Whitehouse, Jill A2 - Rudolph, Colin D. A2 - Rudolph, Abraham M. A2 - Lister, George E. A2 - First, Lewis R. A2 - Gershon, Anne A. PY - 2011 T2 - Rudolph's Pediatrics, 22e AB - Congenital intestinal atresias, stenosis, and webs typically present early in neonatal life due to the associated obstructive symptoms. The reported incidence varies from 1 to 2 in 5000 births in the United States. These malformations can occur throughout the intestinal tract, but are most commonly found in the duodenum (50%) and the jejunum or ileum (35–40%). A colonic location is identified in 5% to 10% of atresias, and rarely, pyloric or gastric lesions are present (< 1%).1 SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/10/05 UR - accesspediatrics.mhmedical.com/content.aspx?aid=7036635 ER -