Portal hypertension from idiopathic superior vena caval obstruction.
D000293:Adolescent; D000792:Angiography; D001027:Aortography; D001163:Arteriovenous Anastomosis; D001807:Blood Vessel Prosthesis; D006801:Humans; D006975:Hypertension, Portal / Q000209:etiology* / Q000601:surgery*; D008297:Male; D011651:Pulmonary Artery / Q000601:surgery*; D012185:Retroperitoneal Fibrosis / Q000150:complications*; D013156:Splenectomy; D013162:Splenic Vein; D014652:Vascular Diseases; D014684:Venae Cavae