Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/S1677-54492012000400015
Jornal Vascular Brasileiro
Case Report

Oclusão arterial aguda de membros inferiores por êmbolo tumoral em paciente com neoplasia de pulmão

Acute arterial occlusion of lower limbs caused by tumor embolism in a patient with lung neoplasia

Viviane Queli Macedo de Alcântara; Germana Gabriela Campos de Souza; Rodrigo Dafico Bernardes de Sousa Borges; Paula Sabrina Araújo Milhomem; Werther Souza Sales; Marcelo Luiz Brandão; Ana Lúcia Rassi; Ly de Freitas Fernandes

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Resumo

A embolia arterial periférica originada de tumores malignos é considerada uma manifestação rara da doença neoplásica, podendo se originar de vários sítios, incluindo coração, aorta e veias pulmonares, sendo estas últimas, fontes massivas de embolia por trombo ou tumores com erosão para seu lúmen. Apesar de infrequente, a neoplasia pulmonar deve ser considerada como uma fonte de êmbolos para as extremidades, principalmente quando há invasão neoplásica para as veias pulmonares. Apresentamos o caso de um paciente do sexo masculino submetido à pneumectomia por neoplasia pulmonar, que evoluiu com oclusão arterial aguda de membros inferiores por êmbolo tumoral " a cavaleiro".

Palavras-chave

embolia, neoplasias pulmonares, isquemia

Abstract

Peripheral arterial embolism (PAE) caused by malignant tumors is a rare manifestation of cancer. PAE may originate from several sites, including heart, aorta, and pulmonary veins. Such veins are a major source of thrombotic embolism or tumors with vascular erosion. Although uncommon, lung cancer should be regarded as a source of emboli in the extremities, especially when there is neoplastic invasion of the pulmonary veins. We report on a case of a male patient who underwent pneumonectomy for lung cancer who developed acute arterial occlusion of the lower extremities caused by saddle tumor embolus.

Keywords

embolism, lung neoplasms, ischemia

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