Mycotic aneurysm of the aortic arch due to Salmonella.

We report the successful treatment of a 79-year-old man with an extremely rare mycotic aneurysm of the aortic arch due to Salmonella. The patient presented with persistent fever, hoarseness, and hemosputum. Computed tomography showed a large saccular aneurysm with a hazy aortic wall in the aortic arch. We conducted emergency total arch replacement, debriding surrounding infectious tissue. Cultures from the aneurysm grew Salmonella enteritidis. Infection recurred 1 week postoperatively, requiring open irrigation and omentum transposition. These surgical procedures, along with appropriate antibiotics, brought infection under control.