Pulmonary vasculitis

Vasculitis is a group of diseases whose main pathological manifestations are inflammatory changes in the blood vessel wall. Vascular inflammation can cause blood vessel destruction, so it is sometimes called necrotizing vasculitis. Vasculitis includes a wide range of diseases, which can be primary vasculitis, or can be accompanied by or secondary to other diseases; the invading blood vessels can be mainly arterial, and can also involve arteries, veins and capillaries. Small blood vessels can be the main invasion object, or diseases with larger blood vessels as the main invasion. Pulmonary vasculitis, as its name implies, refers to vasculitis in which the pulmonary blood vessels are invaded. Some pulmonary vasculitis is relatively rare, and the diagnosis is difficult, which should cause sufficient clinical attention.

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