Overview Intussusception is an acquired invagination of the bowel into itself ( Fig. 107.1 ). The more proximal bowel that invaginates into more distal bowel is termed the intussusceptum , whereas the recipient bowel that contains the intussusceptum is termed…
Overview Congenital and neonatal abnormalities of the colon can be divided into those that present in the neonatal period, such as colonic atresia and stenosis, imperforate anus, and functional colonic abnormalities, such as small left colon syndrome and meconium plug.…
Acquired duodenal abnormalities can be generalized into conditions that cause obstruction, inflammation, and neoplasia. Abnormalities That Result in Duodenal Obstruction Superior Mesenteric Artery Syndrome Overview. First described at autopsy by von Rokitansky in 1861, the term superior mesenteric artery or…
Part I: Duodenum Congenital anomalies of the duodenum often present with obstructive symptoms and consist of intrinsic obstructing lesions, such as duodenal atresia and stenosis, or extrinsic lesions that affect the duodenum, such as midgut volvulus or Ladd bands, annular…
Overview Hypertrophic pyloric stenosis (HPS) is the most common urgent surgical entity affecting infants during the first 6 months of life. Incorrectly assumed to be congenital by Hirschsprung in his seminal postmortem description in two patients, empirical data indicate that…
Congenital abnormalities of the stomach, and those manifested in the neonatal period, are uncommon and include such entities as duplication cysts, diverticula, microgastria, and anomalies involving the antropyloric region. Gastric Duplication Cyst Overview. Duplication cysts may occur anywhere along the…
Overview The spleen is an intraperitoneal organ supported by the gastrosplenic ligament and the splenorenal ligament ( Fig. 94.1 ). Other ligaments that help support the spleen are the phrenicosplenic, splenocolic, pancreaticosplenic, phrenocolic, and pancreaticocolic. The spleen is the largest…