Changes

==Signalment==

==Signalment==

HE occurs in those breeds that often develop congenital PSS, of which small breeds of dog are most at risk.  Most dogs with PSS present before the end of their first year of life.  Microvascular dysplasia and congenital defects of the urea cycle are very rare.  Acquired PSS may occur in animals with '''[[Hepatitis, Chronic|chronic hepatitis]]''', to which labrador retrievers, West Highland white terriers, English cocker spaniels and Dobermans are predisposed.

HE occurs in those breeds that often develop congenital PSS, of which small breeds of dog are most at risk.  Most dogs with PSS present before the end of their first year of life.  Microvascular dysplasia and congenital defects of the urea cycle are very rare.  Acquired PSS may occur in animals with '''[[Hepatitis, Chronic|chronic hepatitis]]''', to which Labrador retrievers, West Highland white terriers, English cocker spaniels and Dobermans are predisposed.

==Diagnosis==

==Diagnosis==