Abstract
A mixed cryoglobulin (IgG/IgM) was detected in a patient with erythema elevatum diutinum. Cold exposure activated the complement system and provoked a fixed urticarial reaction with the histology of a leukocytoclastic vasculitis.
MeSH terms
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Cold Temperature*
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Cryoglobulins* / analysis
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Erythema / complications*
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Erythema / immunology
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Female
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Humans
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Immunoglobulin G / analysis
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Immunoglobulin M / analysis
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Middle Aged
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Paraproteinemias / complications*
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Urticaria / etiology*
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Urticaria / pathology
Substances
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Cryoglobulins
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Immunoglobulin G
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Immunoglobulin M