The British Journal of Rheumatology, Vol 36, 124-125, Copyright © 1997 by British Society for Rheumatology
R Manna, L Todaro, M Latteri, G Gambassi, G Massi, MR Grillo, A Romito, S Caputo and GB Gasbarrini
The actiopathogenesis of leucocytoclastic vasculitis is still unknown, but
recently hepatitis C virus (HCV) has been suggested as trigger of
autoimmunity. We report a case of a 26-yr-old patient with purpura due to
leucocytoclastic vasculitis associated with hepatitis C virus infection.
Laboratory findings showed AST, ALT, gamma GT within normal limits,
positive antibodies to HCV (IIF and Riba II) and polymerase chain reaction
for HCV RNA. Anti-nuclear antibodies, IgG and IgM anti- cardiolipin
antibodies, anti-platelet antibodies and anti-neutrophil cytoplasmic
antibodies with perinuclear pattern were also present. A skin biopsy
specimen of a purpuric lesion showed leucocytoclastic vasculitis with small
vessel thrombosis and perivascular deposition of IgM and fibrinogen on
immunofluorescence study. This case shows a role of HCV in leucocytoclastic
vasculitis; it is possible that this HCV can induce autoimmunity
independently of cryoglobulins and liver involvement.
ORIGINAL PAPERS
Leucocytoclastic vasculitis associated with hepatitis C virus antibodies
Department of Internal Medicine, Catholic University of Sacred Heart, Rome, Italy.
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