leukocytoclastic vasculitis /lo̅o̅′kəsī′təklas″tik/ , an allergic inflammation of blood vessels, characterized by deposits of fragmented cells, nuclear dust, necrotic debris, and fibrin staining in the vessels. Many patients develop skin lesions, particularly on the legs, accompanied by arthralgia and fever. The disorder is seen in rheumatoid arthritis and other diseases.
