Aneurisma de artéria poplítea como manifestação da doença de Behçet descompensada Popliteal artery aneurysm as a manifestation of decompensated Behçet's disease

Abstract Behcet’s disease consists of a systemic vasculitis that affects veins,arteries and capillaries, but predominantly small vessels. Veins andmedium- and large-caliber arteries are rarely involved; however, arteriesare less involved than veins. In this paper the authors present a case ofpopliteal artery aneurysm in a patient with decompensated Behcet’sdisease. We discuss clinical, radiological and surgical aspects of patientswith this inflammatory systemic disease who present importantpeculiarities.Key words: Behcet’s syndrome, aneurysm, popliteal artery. Resumo A doenca de Behcet consiste em uma vasculite sistemica que aco-mete veias, arterias e capilares, mas predominantemente pequenosvasos. Raramente ha o envolvimento de veias e arterias de medio egrande calibre, sendo as arterias menos acometidas que as veias. Nopresente trabalho, os autores apresentam um relato de caso deaneurisma da arteria poplitea em um paciente com a doenca de Behcetdescompensada. Discutem-se os aspectos clinicos e radiologicos e omanejo cirurgico dos pacientes com essa doenca inflamatoria sistemi-ca que apresentam peculiaridades importantes.Palavras-chave: Sindrome de Behcet, aneurisma, arteria poplitea.