Nodular regenerative hyperplasia of the liver and portal thrombosis

Background: A 35-year-old female presented with upper gastrointestinal tract bleeding. Fifteen years ago, the diagnosis of esophageal varices caused by idiopathic portal venous thrombus was made. Follow-up examinations revealed mild elevation of bilirubin levels and normal alphafetoprotein level on blood tests. Splenectomy had been performed 6 years previously due to portal hypertension caused by portal venous thrombus