What is arteritis?

Arteritis is inflammation of an artery.
a. deformans Chronic inflammation of the inner layer of an artery.
giant cell a. See temporal arteritis.
a. obliterans Inflammation of the inner layer of an artery causing the closure of the artery’s lumen.
Takayasu’s a. Uncommon disease of medium - and large-sized arteries, characterized by inflammation of the vessels and narrowing of their lumen; it affects all arteries but has a strong predilection for the aortic arch and its branches; most commonly involves the subclavian arteries, followed by the aortic arch, ascending aorta, carotid arteries, and femoral arteries. Symptoms include fever, night sweats, joint pain, appetite and weight loss, and general malaise; pulses are usually absent in the involved arteries.
temporal a. Inflammation of medium - and large-sized arteries most frequently involving the temporal arteries; associated with polymyalgia rheumatica and, if untreated, may lead to blindness; manifestations include headache, fever, elevated erythrocyte sedimentation rate, and anemia; cause is unknown.

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