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==Pleuroperitoneal diaphragmatic hernia==
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{{unfinished}}
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See [[Hernia]]
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===Description===
*Very rare
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This is a very rare form of hernia which is caused by a defect in the [[Muscles Developmental - Pathology#Congenital diaphragmatic defects|skeletal muscle]] of the diaphragm.  The defect prevents the animal from generating the negative intrathoracic pressure required for inspiration and small animals therefore usually die at or shortly after birthLarge animals may survive for considerable periods of time with no clinical signs or they may show signs of respiratory difficulty or abdominal pain (if abdominal organs are incarcerated in the defect).
*In dogs may have autosomal recessive inheritance
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*Defect of [[Muscles Developmental - Pathology#Congenital diaphragmatic defects|skeletal muscle]] of diaphragm
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*Margins of the diaphragmatic defect are smooth
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*Small animals usually die at or soon after birth
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*Large animals may survive for considerable period or show signs of respiratory difficulty or abdominal pain (if entrapment of abdominal viscera occurs)
      
[[Category:Peritoneal_Cavity_-_Developmental_Pathology]]
 
[[Category:Peritoneal_Cavity_-_Developmental_Pathology]]
    
[[Category:To_Do_-_James]]
 
[[Category:To_Do_-_James]]
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