Isolated splenic vein thrombosis

Definition

A rare gastroenterologic disease characterized by isolated thrombotic obstruction of the splenic vein, typically due to pancreatic disorders, in particular acute or chronic pancreatitis or pancreatic neoplasms. It is the main cause of left-sided portal hypertension. Patients may be asymptomatic or present with abdominal pain, gastrointestinal bleeding, nausea, and vomiting, as well as signs of portal hypertension.