Vasculitis is an inflammation of blood vessels.
Leukocytoclastic vasculitis , also known as Henoch-Schonlein purpura, shows considerable endothelial cell damage, neutrophil infiltration and red cell extravasation.
Vasculitis that can involve the skin includes, in addition to Henoch-Schonlein purpura, hypersensitivity angiitis, pyoderma gangrenosum, Sweet's syndrome, erythema nodosum, livedoid vasculitis, polyarteritis nodosa, malignant atrophic papulosis, as well as other inflammation of small and large vessels.
Joke and Humors
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