Abstract

SANCHEZ HINESTROZA, Martha Sofía et al. Tuberculous Abdominal Aortic Aneurysm. Rev. am. med. respir. [online]. 2021, vol.21, n.4, pp.419-422. ISSN 1852-236X.

The mycotic aneurysm arises from the infectious destruction of the arterial wall and is diagnosed when there is an aneurysm within the context of inflammation and positive blood cultures or biopsies, though this is not an essential requirement. The most common etiologic agents are bacteria (Staphylococcus, Salmonella)2, but fungi have also been reported (Aspergillus niger).

Tuberculosis may affect any organ of the body; arterial compromise is a rare and potentially mortal complication that may occur by direct extension of an adjacent infected site or by bloodstream or lymphangitic dissemination of primary lesions. The great vessels may be compromised in different ways, including polyps, stenotic aortoarteritis and formation of aneurysms or pseudoaneurysms, being the latter the most common one.

We present the diagnosis of infrarenal abdominal aortic aneurysm with intramural thrombus and left renal aortic pseudoaneurysm as incidental finding in a patient with nodal tuberculosis.

Keywords : Mycotic aneurysm; Tuberculosis; Pseudoaneurysm.

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