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About Vasculitis Cns

Vasculitis of the central nervous system (CNS) is the inflammation of blood vessels in the brain and spinal cord. Surgical treatment for vasculitis may be necessary when vasculitis causes an aneurysm to develop. Aneurysm treatment may include clipping, coiling or flow diversion.

In vasculitis, the immune system misidentifies parts of blood vessel walls as harmful and attacks the vessel walls, causing them to become swollen and inflamed.

Vasculitis may trigger stroke in one or both of the following ways:

  • Ischemic stroke may occur if blood vessel walls become so inflamed and swollen that they block blood flow.
  • Hemorrhagic stroke may occur if the vasculitis produces an aneurysm that ruptures.

Vasculitis found only in the CNS, and not associated with any other systemic condition, is called Primary Angiitis of the CNS (PACNS).

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