Complementary Imaging Modalities in the Diagnosis of a Mycotic Aneurysm

摘要

Mycotic aneurysm is rare, especially since the advent of antibiotic therapy. Etiologies include septicemia, intimal injury, intravenous drug abuse, endocarditis, diabetes mellitus, and contiguous soft tissue infection. Prognosis is related to the virulence of the infecting organism, location of the aneurysm, and the timeliness of diagnosis. Diagnosis is dependent upon clinical suspicion and corroboration by various imaging modalities. This case illustrates the use of In-111 leukocyte scintigraphy in demonstrating the acute inflammatory nature of a mycotic aneurysm.