PSS REAL EXAM QUESTIONS WITH COMPLETE
SOLUTIONS (ANSWERS VERIFIED 100% CORRECT)
Another name for microvascular dysplasia - ✔✔portal v hypoplasia
Breed predilection for microvascular dysplasia - ✔✔yorkies and terriers
What is microvascular dysplasia - ✔✔shunting at microvascular level of the portal
hepatic capillaries
Why is microvascular dysplasia NOT amenable for sx? - ✔✔no a dx macroscopic
shunt
At the level of capillaries
Can only be managed medically
Extrahepatic shunt - ✔✔anomalous vessel is located OUTSIDE the hepatic
parenchyma
Intrahepatic shunt - ✔✔anomalous vessel is located WITHIN the hepatic parenchyma
PSS: multiple shunts is usually associated with which form? - ✔✔acquired
What does a normal portal venogram look like? - ✔✔portal vein dividing into R and L
brr
What does an extrahepatic shunt venogram look like? - ✔✔outside the liver
parenchyma
, No arborizing through the liver
What does an intrahepatic shunt venogram look like? - ✔✔no "tree"
Just a dilated vessel full of blood bypassing the liver
Breeds that get intrahepatic shunts - ✔✔medium to large breeds
Intrahepatic shunts are commonly with - ✔✔persistent ductus venosus
% of dogs with intrahepatic PSS, % of cats (out of all PSS) - ✔✔dogs 28%
Cats 10%
Breeds that get extrahepatic shunts - ✔✔yorkshire terrier
Miniature schnauzer
Maltese
Havanese
Miniature poodle
And DSH cats
What % of PSS are extrahepatic - ✔✔60-94%
What is the easier type of PSS to manage sx - ✔✔extrahepatic single
Where is a extrahepatic single PSS usually locatd? Second most common located? Third?
- ✔✔1 =gastrosplenic to vena cava
SOLUTIONS (ANSWERS VERIFIED 100% CORRECT)
Another name for microvascular dysplasia - ✔✔portal v hypoplasia
Breed predilection for microvascular dysplasia - ✔✔yorkies and terriers
What is microvascular dysplasia - ✔✔shunting at microvascular level of the portal
hepatic capillaries
Why is microvascular dysplasia NOT amenable for sx? - ✔✔no a dx macroscopic
shunt
At the level of capillaries
Can only be managed medically
Extrahepatic shunt - ✔✔anomalous vessel is located OUTSIDE the hepatic
parenchyma
Intrahepatic shunt - ✔✔anomalous vessel is located WITHIN the hepatic parenchyma
PSS: multiple shunts is usually associated with which form? - ✔✔acquired
What does a normal portal venogram look like? - ✔✔portal vein dividing into R and L
brr
What does an extrahepatic shunt venogram look like? - ✔✔outside the liver
parenchyma
, No arborizing through the liver
What does an intrahepatic shunt venogram look like? - ✔✔no "tree"
Just a dilated vessel full of blood bypassing the liver
Breeds that get intrahepatic shunts - ✔✔medium to large breeds
Intrahepatic shunts are commonly with - ✔✔persistent ductus venosus
% of dogs with intrahepatic PSS, % of cats (out of all PSS) - ✔✔dogs 28%
Cats 10%
Breeds that get extrahepatic shunts - ✔✔yorkshire terrier
Miniature schnauzer
Maltese
Havanese
Miniature poodle
And DSH cats
What % of PSS are extrahepatic - ✔✔60-94%
What is the easier type of PSS to manage sx - ✔✔extrahepatic single
Where is a extrahepatic single PSS usually locatd? Second most common located? Third?
- ✔✔1 =gastrosplenic to vena cava