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KMID : 0980720220410010046
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Keimyung Medical Journal
2022 Volume.41 No. 1 p.46 ~ p.49
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A Case of Leukocytoclastic Vasculitis Following COVID-19 Vaccination
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Ryoo Young-Wook
Kim Yu-Ra
Yun Ji-Min
Kim Sung-Ae
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Abstract
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As the coronavirus disease 2019 (COVID-19) vaccination rate has recently risen, various cutaneous adverse events have been reported. We report on a 75-year-old woman who developed leukocytoclastic vasculitis after the first dose of BNT162b2 (Pfizer, United States of America) vaccine. The cause of leukocytoclastic vasculitis can be idiopathic or secondary to medications, infections, connective tissue disorders, and malignancy. Developing and exacerbation of leukocytoclastic vasculitis has been reported following vaccinations such as influenza, hepatitis B virus, and bacillus Calmette-Guerin vaccine. The pathogenesis might involve hyperactivation of the immune system secondary to cross-reactivity and molecular mimicry between the virus and self-antigens. As it is important to consider COVID-19 vaccine as a cause of leukocytoclastic vasculitis, we report a case of leukocytoclastic vasculitis following COVID-19 vaccination.
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KEYWORD
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BNT162b2, COVID-19 vaccine, Leukocytoclastic vasculitis
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