Abstract
Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis has been recently recognized in Graves' disease patients treated with antithyroid drugs. We describe the case of an 18-year-old girl who developed antimyeloperoxidase ANCA (MPO-ANCA)-positive vasculitis manifesting as a skin lesion and hemoptysis with hypoxic respiratory failure after taking methimazole. An open lung biopsy was consistent with acute capillaritis. Both skin and sural nerve biopsy showed lymphocytic vasculitis. Administration of steroid and plasmapheresis produced a good clinical response.
MeSH terms
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Adolescent
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Antibodies, Antineutrophil Cytoplasmic / analysis*
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Antithyroid Agents / adverse effects*
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Autoantibodies / analysis*
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Female
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Hemorrhage / etiology*
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Humans
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Lung Diseases / chemically induced*
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Lung Diseases / diagnosis
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Lung Diseases / immunology
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Methimazole / adverse effects*
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Peroxidase / immunology*
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Skin Diseases, Vascular / chemically induced
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Skin Diseases, Vascular / diagnosis
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Skin Diseases, Vascular / immunology
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Vasculitis / chemically induced*
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Vasculitis / complications
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Vasculitis / diagnosis
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Vasculitis / immunology
Substances
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Antibodies, Antineutrophil Cytoplasmic
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Antithyroid Agents
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Autoantibodies
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Methimazole
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Peroxidase