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leukocytoclastic vasculitis

   Also found in: Acronyms, Wikipedia 0.48 sec.
leu·ko·cy·to·clas·tic vasculitis (lk-st-klstk)
n.
Acute cutaneous vasculitis that is characterized by purpura, especially of the legs, and by exudation of neutrophils and sometimes fibrin around dermal venules, with extravasation of red blood cells.

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.

leukocytoclastic vasculitis

leukocytoclastic vasculitis
Cutaneous necrotizing vasculitis A form of vasculitis with fragmentation of neutrophil nuclei, immune complex deposition–direct immunofluorescence demonstrates IgG, IgM and complement deposition, that elicits neutrophilic 'suicide' and deposition of abundant nuclear 'dust', necrotic debris and fibrin, most common in small post-capillary venules; the condition may be local–eg, cutaneous or systemic. See Vasculitis.


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According to some case reports, (3,5) an appearance resembling leukocytoclastic vasculitis can be seen, but this was not demonstrated in our case.
In 1989 a painful macular skin lesion was biopsied and diagnosed as leukocytoclastic vasculitis.
One volunteer in Group C also developed an inflammation of small blood vessels in the skin, a condition called leukocytoclastic vasculitis, following the first protein antigen boost.
 
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