Category:Peritoneal Cavity - Developmental Pathology

Persistent Vitelline or Omphalomesenteric Duct

Persistent Vitelline Artery

Hernia, External

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