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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Leukocytoclastic vasculitis -- high mag.jpg | |||
| Width = | |||
| Caption = Leukocytoclastic vasculitis. [[H&E stain]]. | |||
| Synonyms = | |||
| Micro = small vessels intramural inflammatory cells (neutrophils), vessel damage (fibrin deposition) | |||
| Subtypes = | |||
| LMDDx = fungal infection | |||
| Stains = PAS -ve | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = | |||
| Grossing = | |||
| Site = [[blood vessels]] - see ''[[vasculitides]]'' | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = | |||
| Signs = palpable purpura | |||
| Symptoms = | |||
| Prevalence = uncommon | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = | |||
| Prognosis = dependent on underlying cause | |||
| Other = | |||
| ClinDDx = | |||
| Tx = | |||
}} | |||
'''Small vessel leukocytoclastic vasculitis''', also '''leukocytoclastic vasculitis''' (abbreviated '''LCV'''), is an inflammatory process of the small [[blood vessel]]. | '''Small vessel leukocytoclastic vasculitis''', also '''leukocytoclastic vasculitis''' (abbreviated '''LCV'''), is an inflammatory process of the small [[blood vessel]]. | ||
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*Small upper dermis vessels with: | *Small upper dermis vessels with: | ||
*#Neutrophils. | *#Neutrophils. | ||
*#*Fragmentation of | *#*Fragmentation of [[neutrophil]]s (leukocytoclasia). | ||
*#Vessel damage: fibrin deposition (bright pink acellular stuff). | *#Vessel damage: fibrin deposition (bright pink acellular stuff). | ||
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#*Drugs. | #*Drugs. | ||
Image: | ===Image=== | ||
www: | |||
*[http://www.ancavasculitis.com/biopsy.php LCA (ancavasculitis.com)]. | *[http://www.ancavasculitis.com/biopsy.php LCA (ancavasculitis.com)]. | ||
*[http://path.upmc.edu/cases/case189.html LCA of the GI tract - several images (upmc.edu)]. | *[http://path.upmc.edu/cases/case189.html LCA of the GI tract - several images (upmc.edu)]. | ||
==Stains== | ==Stains== | ||
*PAS - look for fungus. | *[[PAS stain|PAS]] - look for fungus. | ||
==See also== | ==See also== |
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