Vasculitis

Vasculitis is inflammation of blood vessel wall and surrounding blood vessels with infiltration of inflammatory cells, accompanied by vascular damage, including cellulose deposition, collagen fibrosis, endothelial cells and muscle cell necrosis, also known as vasculitis. Pathogenic factors that directly affect the vascular wall cause primary vasculitis. Those who produce certain clinical symptoms and signs based on vascular inflammation are vasculitis diseases; those caused by inflammatory lesions of adjacent tissues that spread to the vascular wall are secondary blood vessels. Inflammation is just one of the pathological changes of various tissues, which is different from vasculitis disease. In addition, in the so-called collagen vascular disease, vascular damage is one of the main concomitant lesions, so this type of disease belongs to the generalized vasculitis disease. Vasculitis disease is not uncommon. Vasculitis lesions not only involve the blood vessels themselves, but also the tissues and organs dominated by the blood vessels. Some can be fatal. Since the application of corticosteroids, the prognosis has greatly improved. Vasculitis has different clinical signs and symptoms depending on the type, size, and function of blood vessels.

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