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  • Title: Bacterial infection presenting as cutaneous vasculitis in adults.
    Author: García-Porrúa C, González-Gay MA.
    Journal: Clin Exp Rheumatol; 1999; 17(4):471-3. PubMed ID: 10464561.
    Abstract:
    OBJECTIVE: To examine the frequency and clinical features of patients with bacterial infection presenting with biopsy-proven leukocytoclastic cutaneous vasculitis (CV) in a well-defined area of southern Europe (northwestern Spain). METHODS: A retrospective study of an unselected population of adult patients (age > 20 years) with biopsy-proven leukocytoclastic CV diagnosed at the Hospital Xeral-Calde (Lugo, Spain) was carried out from January 1988 through December 1997. Cutaneous vasculitis related to bacterial infection was considered if the vasculitis was confirmed by a skin biopsy showing leukocytoclastic vasculitis, if no drug intake was registered prior to the development of CV, and if bacteriologic evidence of infection was obtained. RESULTS: Four of 138 patients (2.9%) presenting with biopsy-proved CV were diagnosed with leukocytoclastic CV related to bacterial infection. Three patients (2 with bacterial endocarditis and 1 with meningococcemia) met the ACR criteria for the classification of hypersensitivity vasculitis. Another patient with bacterial endocarditis met the criteria for mixed cryoglobulinemia. All of them presented with palpable purpura, high or low grade fever, an elevated erythrocyte sedimentation rate and leukocytosis. CONCLUSION: Cutaneous vasculitis may be the presenting manifestation of bacterial infection. In this respect, rheumatologists should be aware of possible infectious causes of vasculitis, even though they are not common.
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