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Category:Peritoneal Cavity - Developmental Pathology (view source)
Revision as of 13:01, 10 June 2010
, 13:01, 10 June 2010Created page with '*Congenital anomalies are rare ==Persistent vitelline or omphalomesenteric duct== *Fibrous ligament may be formed betwen the intestine and the umbilicus *Partial or full *May …'
*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==
[http://w3.vet.cornell.edu/nst/nst.asp?Fun=Image&imgID=17211 Image of mesentery trapping intestine from Cornell Veterinary Medicine]
*Fold of mesentery
*May trap intestine causing strangulation
==External hernias==
[http://w3.vet.cornell.edu/nst/nst.asp?Fun=Image&imgID=22114 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 [[Muscles Developmental - Pathology#Congenital diaphragmatic defects|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, [[Control of Feeding - Anatomy & Physiology#The Vomit Reflex|vomiting]][[Category:Peritoneal_Cavity_-_Pathology]]
==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==
[http://w3.vet.cornell.edu/nst/nst.asp?Fun=Image&imgID=17211 Image of mesentery trapping intestine from Cornell Veterinary Medicine]
*Fold of mesentery
*May trap intestine causing strangulation
==External hernias==
[http://w3.vet.cornell.edu/nst/nst.asp?Fun=Image&imgID=22114 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 [[Muscles Developmental - Pathology#Congenital diaphragmatic defects|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, [[Control of Feeding - Anatomy & Physiology#The Vomit Reflex|vomiting]][[Category:Peritoneal_Cavity_-_Pathology]]