The basic pathology is some kind of obstructive pathology in the portal, hepatic or splenic vein that causes obstruction of venous blood flow from the spleen towards the heart. The cause of such obstruction may be abnormalities present at birth (congenital) of certain veins, blood clots, or various underlying disorders causing inflammation and obstruction of veins (vascular obstruction) of the liver.
Banti's syndrome
Renpenning's syndrome
Wartenberg's syndrome
Rowell's syndrome
Susac's syndrome
Liddle's syndrome
Villaret's syndrome
Bálint's syndrome