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Primary malignant aortic tumors are rare and aggressive. Most cases are diagnosed at advanced stages or during autopsies with a median overall survival of 8 months from diagnosis. We present the case of a 59-year-old male with angiosarcoma involving all segments of the thoracic aorta and a large floating thrombus causing acute mesenteric ischemia, which was treated successfully with embolectomy. Graft replacement of the aorta should be considered in cases of localized disease and when patients are fit for surgery. The best medical and surgical treatment remains unclear, and further studies are needed.

Mycotic pseudoaneurysms of the extracranial carotid artery are rare and need surgical treatment to prevent rupture or embolization. We treated a case of a carotid bifurcation pseudoaneurysm secondary to infection caused by Staphylococcus epidermidis. We successfully treated it using a catheter balloon to obtain carotid bifurcation’s control and replacing the carotid bifurcation with a vein graft. Management involves aneurysmectomy associated with antibiotic therapy and restoration of arterial continuity.