Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/1677-5449.20140063
Jornal Vascular Brasileiro
Case Report

Management and conduct of vascular diseases of the portal system

Manejo e conduta das doenças vasculares do sistema porta

Lenon Cardoso; Thiago Cerizza Pinheiro; Maissa Marçola Scandiuzzi; Fernanda Soares Simoneti; Daniel Ilias; Marlon Moda; Ronaldo Antônio Borghesi

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Abstract

Aneurysms and thromboses of the portal vein are rare pathologies of the portal system that commonly follow an asymptomatic course. The vast majority of cases are diagnosed as incidental findings during imaging studies. Symptoms of aneurysms are the result of mass effects, while thrombosis symptoms are a function of the liver's ability to form a collateral circulation network in the thrombosis. The scant experience with such cases poses a dilemma for patient management and so the vast majority of authors choose an expectant approach with rigorous patient surveillance and only intervene in symptomatic patients. We report one case of an aneurysm of the portal vein and one case of portal vein thrombosis and discuss management and observation of these patients.

Keywords

thrombosis, aneurysm, portal system

Resumo

O aneurisma e a trombose de veia porta são doenças raras do sistema porta, que comumente cursam sem sintomas. A grande maioria dos pacientes é diagnosticada com achados em exames de imagem. Os sintomas são atribuídos ao efeito de massa, no caso do aneurisma, e relativos à capacidade hepática de formar uma rede de circulação colateral, no caso da trombose. A escassa experiência nesses casos representa um dilema na abordagem desses pacientes e, portanto, a grande maioria dos autores opta por seguimento rigoroso e a intervenção é indicada apenas para os pacientes sintomáticos. Neste trabalho, relatamos um caso de aneurisma de veia porta e outro de trombose da veia porta, propondo o manejo e o acompanhamento desses pacientes.

Palavras-chave

trombose, aneurisma, sistema porta

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