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  • Title: Direct immunofluorescence in pyoderma gangrenosum.
    Author: Powell FC, Schroeter AL, Perry HO, Su WP.
    Journal: Br J Dermatol; 1983 Mar; 108(3):287-93. PubMed ID: 6338899.
    Abstract:
    Direct immunofluorescence was done in fifty-one cases of pyoderma gangrenosum. Biopsy specimens were taken from the peripheral erythematous zone of the lesion. In thirty-one cases (61%), there was positive immunofluorescence, with perivascular deposition of immune reactants being the most frequent pattern (twenty-seven cases). These findings support a vasculitic pathogenesis of pyoderma gangrenosum.
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