|Classification and external resources|
Micrograph showing a vasculitis (Churg-Strauss syndrome). H&E stain.
|ICD-10||I77.6, I80., L95., M30.-M31.|
Vasculitis (plural: vasculitides) is a group of disorders that destroy blood vessels by inflammation. Both arteries and veins are affected. Lymphangitis is sometimes considered a type of vasculitis. Vasculitis is primarily caused by leukocyte migration and resultant damage.