Last revised by Raymond Chieng on 23 Mar 2023

Vasculitis describes generalized inflammation of vessels. Vasculitides carry a broad range of clinical presentations and as a whole can involve almost any organ system.


Some vasculitides are due to direct vessel injury from an infectious agent. However, a large proportion show evidence of immune complex related vessel wall injury.


There are many, often overlapping, types of classification:

See also

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Cases and figures

  • Case 1: CNS vasculitis - unspecified
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  • Case 2: CNS vasculitis - background PAN : uncommon
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  • Case 3: Takayasu arteritis
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  • Case 4: GI tract
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