Hypersensitivity vasculitis is seen most commonly in
HYPERSENSITIVITY VASCULITISIn hypersensitivity vasculitis, postcapillary venules are the most commonly involved vessels, capillaries and aerioles are involved less frequently.It is primarily a disease of small vessels.It is characterized by leukocytosis, a term that refers to the nuclear debris remaining from the neutrophils that have infiltrated in and around the vessels during the acute stages.
Postcapillary venules
Aerioles
Veins
Capillaries
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