RT Book, Section 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. SR Print(0) ID 7036675 T1 Chapter 400. Microgastria and Gastric Perforation T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=7036675 RD 2024/04/24 AB Congenital microgastria is a rare anomaly that is characterized by failure of the primitive foregut to differentiate into a stomach during weeks 4 to 8 of gestation, thus resulting in a small tubular stomach usually associated with megaesophagus and incomplete gastric rotation (Fig. 400-1). Isolated microgastria is uncommon,1 with associated anomalies such as asplenia, situs inversus, limb hypoplasia, intestinal malrotation, laryngotracheal clefts, and cardiac abnormalities being common.2,3 Only about 60 cases have been described.