An infected<unk>  is an<unk>  arising from bacterial infection of the arterial wall. It can be a common complication of the hematogenous spread of bacterial infection. William Osler first used the term<unk> " in 1885 to describe a mushroom-shaped<unk>  in a patient with subacute bacterial endocarditis. This may create considerable confusion, since<unk> " is typically used to define fungal infections. However,<unk>  is still used for all extracardiac or intracardiac<unk> s caused by infections, except for syphilitic aortitis. The term "infected<unk> " proposed by Jarrett and associates is more appropriate, since few infections involve fungi. According to some authors, a more accurate term might have been endovascular infection or infective vasculitis, because<unk> s are not due to a fungal organism.<unk> s account for 2.6% of aortic<unk> s. For the clinician, early diagnosis is the cornerstone of effective treatment. Without medical or surgical management, catastrophic hemorrhage or uncontrolled sepsis may occur. However, symptomatology is frequently nonspecific during the early stages, so a high index of suspicion is required to make the diagnosis. Intracranial<unk> s (ICMAs) complicate about 2% to 3% of infective endocarditis (IE) cases, although as many as 15% to 29% of patients with IE have neurologic symptoms.<unk>  abdominal aorta<unk>  (MAAA) is a rare and life-threatening condition. Because of its rarity, there is a lack of adequately powered studies and consensus on its treatment and follow up. A management protocol on the management of<unk>  abdominal aortic<unk>  was recently published in the Annals of Vascular Surgery by Premnath et al.
Mycotic aneurysm
Charcot–Bouchard aneurysm
Arterial tortuosity syndrome
Pseudoaneurysm
Cirsoid aneurysm
Inflammatory aortic aneurysm
Diabetic angiopathy
Infectious intracranial aneurysm