TY - CHAP M1 - Book, Section TI - Hirschsprung Disease A1 - Doherty, Gerard M. PY - 2010 T2 - Quick Answers Surgery AB - • Distal colon aganglionosis resulting in dysfunctional myenteric plexus• Associated cardiac defects in 2-5%• Trisomy 21 in 5-15%• Occasionally preceded by neonatal appendicitis or meconium plug syndrome• 50% of cases diagnosed in neonates, almost 50% of cases diagnosed in children younger than 2, and rarely in older children or adults SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/29 UR - accesssurgery.mhmedical.com/content.aspx?aid=58113034 ER -