PSS Study Guide Test Questions & Answers 2024/2025
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Module
PSS
Institution
PSS
PSS Study Guide Test Questions & Answers 2024/2025
Another name for PSS - ANSWERSportosystemic vascular anomaly
Define PSS - ANSWERSanomalous vessels that all normal portion blood to drain from the stomach, intestines, pancreas, and spleen and pass directly into the systemic circulation
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PSS Study Guide Test Questions &
Answers 2024/2025
Another name for PSS - ANSWERSportosystemic vascular anomaly
Define PSS - ANSWERSanomalous vessels that all normal portion blood to drain from the stomach,
intestines, pancreas, and spleen and pass directly into the systemic circulation
What problems do PSS cause? - ANSWERSliver is doesn't have the chance to detoxify blood > build up of
toxins in blood
Tributaries of the portal vein - ANSWERSgastroduodenal v
Splenic v
Cd vena cava
Hepatic vv
Renal vv
Portal v
TQ!!! What is the ONLY v that should be going into the caudal vena cava after the renal and hepatic vv? -
ANSWERSphrenico-abdominal v enters the vena cava 1 cm cranial to renal vein
What spp has PSS more commonly? - ANSWERSdogs more than cats
PSS: most common vascular anomalies (7) - ANSWERSporto-caval shunt
Porto-azygos shunt
Splanchnic-caval shunt > portal v atresia
Splenic-caval shunt
Gastric-mesenteric- or gastroduodenal caval
, Persistent ductus venosus
Microvascular dysplasia
Another name for microvascular dysplasia - ANSWERSportal v hypoplasia
Breed predilection for microvascular dysplasia - ANSWERSyorkies and terriers
What is microvascular dysplasia - ANSWERSshunting at microvascular level of the portal hepatic
capillaries
Why is microvascular dysplasia NOT amenable for sx? - ANSWERSno a dx macroscopic shunt
At the level of capillaries
Can only be managed medically
Extrahepatic shunt - ANSWERSanomalous vessel is located OUTSIDE the hepatic parenchyma
Intrahepatic shunt - ANSWERSanomalous vessel is located WITHIN the hepatic parenchyma
PSS: multiple shunts is usually associated with which form? - ANSWERSacquired
What does a normal portal venogram look like? - ANSWERSportal vein dividing into R and L brr
What does an extrahepatic shunt venogram look like? - ANSWERSoutside the liver parenchyma
No arborizing through the liver
What does an intrahepatic shunt venogram look like? - ANSWERSno "tree"
Just a dilated vessel full of blood bypassing the liver
Breeds that get intrahepatic shunts - ANSWERSmedium to large breeds
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