Southern medical journal · 2004
Erythema marginatum and hereditary angioedema.
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Starr John C, Brasher George W, Rao Arundhati, Posey Delma
Аннотация
OBJECTIVE: To search for anaphylatoxin activity in plasma during episodes of erythema marginatum, and to evaluate the histology of erythema marginatum by electron microscopy and immunohistologic techniques.
METHODS: Plasma samples were studied for C5a activity by granulocyte aggregation, and C3 conversion by immunoelectrophoresis. A skin biopsy of erythema marginatum was done, and the tissue stained with a rabbit antibody to bradykinin.
RESULTS: No plasma anaphylatoxin was found. Dense deposits of bradykinin were discovered in stromal tissue and lining endothelial cells.
CONCLUSIONS: Bradykinin may be important in the causality of the erythema marginatum associated with hereditary angioedema.
METHODS: Plasma samples were studied for C5a activity by granulocyte aggregation, and C3 conversion by immunoelectrophoresis. A skin biopsy of erythema marginatum was done, and the tissue stained with a rabbit antibody to bradykinin.
RESULTS: No plasma anaphylatoxin was found. Dense deposits of bradykinin were discovered in stromal tissue and lining endothelial cells.
CONCLUSIONS: Bradykinin may be important in the causality of the erythema marginatum associated with hereditary angioedema.