Splenic vein thrombosis is best treated by -
• Portal hypertension due to isolated splenic vein thrombosis is known as left sided portal hypertension or sinistral hypertension.
• Pressure in portal vein and SMV are normal
• There is gastrosplenic venous hypertension leading to formation of gastric varices
Causes
• Pancreatitis (MC)  leading to splenic vein thrombosis
• Neoplasm, Trauma
Treatment
• Splenectomy is the treatment of choice
Splenectomy
Porto-caval shunt
Spleno-renal shunt
Mesenterico-caval shunt