Hypersensitivity vasculitisis seen most commonly in
Post capillary venules
Arterioles
Veins
Capillaries
HYPERSENSITIVITY VASCULITIS
In hypersensitivity vasuculitis, postcapillaryvenules are the most commonly involved vessels, capillaries and arterioles are involved less frequently.
It is primarily a disease of small vessels.
It is characterized by leukocytoclasis, a term that refers to the nuclear debris remaining from the neutrophils that have infiltrated in and around the vessels during the acute stages.