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[Portal cavenorma: diagnosis, aetiologies and consequences]
Eric Vibert1, Daniel Azoulay, Denis Castaing
1Centre hépato-biliaire, hôpital Paul-Brousse, université Paris-Sud EPRES 1596, 94804 Villejuif, France.
Annales De Chirurgie
|January 23, 2003
Summary
Portal cavernoma, a chronic blockage of the extra-hepatic portal system, causes portal hypertension with symptoms like bleeding varices. Diagnosis relies on imaging, and treatment may involve shunts for decompression.
Area of Science:
- Vascular Medicine
- Gastroenterology
- Hepatology
Context:
- Portal cavernoma arises from chronic occlusion of the extra-hepatic portal system, leading to enlarged veins carrying hepatopedal portal blood.
- Diagnosis is primarily achieved through various medical imaging techniques.
- Clinical manifestations are typically linked to extra-hepatic portal hypertension and its complications.
Purpose:
- To elucidate the pathophysiology, diagnostic approaches, clinical signs, and management strategies for portal cavernoma.
- To highlight the importance of detecting underlying prothrombotic disorders contributing to portal thrombosis.
- To discuss the biliary consequences and surgical interventions for portal cavernoma.
Summary:
- Portal cavernoma involves a network of dilated veins resulting from chronic extra-hepatic portal system occlusion.
- Clinical signs often manifest as complications of portal hypertension, including variceal bleeding and splenomegaly.
- Biliary obstruction can occur, necessitating interventions like portosystemic shunting for decompression.
Impact:
- Provides a comprehensive overview of portal cavernoma for clinicians and researchers.
- Emphasizes the need for systematic detection of prothrombotic states in patients with portal thrombosis.
- Informs treatment decisions for managing portal hypertension and associated biliary complications.