Category:Peritoneal Cavity - Developmental Pathology

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  • Congenital anomalies are rare


Persistent vitelline or omphalomesenteric duct

  • Fibrous ligament may be formed betwen the intestine and the umbilicus
  • Partial or full
  • May become involved in herniation


Persistent vitelline artery

Image of mesentery trapping intestine from Cornell Veterinary Medicine


  • Fold of mesentery
  • May trap intestine causing strangulation

External hernias

Image of congenital umbilical hernia in a pig from Cornell Veterinary Medicine


  • Abnormally large openings e.g. inguinal canal
  • Persistent fetal openings e.g. umbilical hernia
  • Defects of closure of abdominal cavity e.g. congenital diaphragmatic hernia

Pleuroperitoneal diaphragmatic hernia

  • Very rare
  • In dogs may have autosomal recessive inheritance
  • Defect of skeletal muscle of diaphragm
  • Margins of the diaphragmatic defect are smooth
  • Small animals usually die at or soon after birth
  • Large animals may survive for considerable period or show signs of respiratory difficulty or abdominal pain (if entrapment of abdominal viscera occurs)


Peritoneopericardial diaphragmatic hernia

  • More commonly seen possibly due to longer survival
  • Sometimes associated with cardiac abnormalities, malformations of sternum, costochondral junctions or umbilical hernia
  • Sometimes present with respiratory difficulty, failure to thrive, vomiting

Pages in category "Peritoneal Cavity - Developmental Pathology"

The following 7 pages are in this category, out of 7 total.