Sunday, April 14, 2019

Cavernous transformation of portal vein

Hello Awesomites! :)

Let's start with clinical presentation.

The children may present with hematemesis due to variceal bleeding, failure to thrive, ascites or anemia and splenomegaly.

Portal cavernoma also known as cavernous transformation of portal vein, is an important cause of extrahepatic portal hypertension in children or young adults in developing countries.

After thrombosis of the portal vein, portoportal venous channels may form not only at the porta hepatis but also within the liver. Intrahepatic blood may be shunted from one segmental portal vein to another.

Cavernous transformation of the portal vein is easily diagnosed by sonography. Color and duplex Doppler confirms the presence of portal venous type flow within the tortuous channels at ports hepatis.

In adults, conditions associated with cavernous transformation of the portal vein include myeloproliferative disorders, hypercoagulable states, pancreatitis, pyelephlebitis and Behçet syndome.

Associated findings may include esophageal gastric junction, gastric varices, gallbladder wall varices as well as intra or extra hepatic biliary tree dilatation.

The individualized choice of shunt (Mesocaval/central splenorenal/distal splenorenal shunt) is ideal for treating PVCT, and the combined procedures of shunt and disconnection are useful. The Rex shunt will be the focus of PVCT surgery in the future.

Thank you.
-Upasana Y. :)

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