Diagnostic dilemma: drug-induced vasculitis versus systemic vasculitis.

MedStar author(s):
Citation: BMJ Case Reports. 16(7), 2023 Jul 10.PMID: 37429646Institution: MedStar Union Memorial HospitalDepartment: Internal Medicine | Internal Medicine ResidencyForm of publication: Journal ArticleMedline article type(s): Case Reports | Journal ArticleSubject headings: *Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis | *Glomerulonephritis | *Lung Diseases | Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/ci [Chemically Induced] | Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/co [Complications] | Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/di [Diagnosis] | Antibodies, Antineutrophil Cytoplasmic | Glomerulonephritis/ci [Chemically Induced] | Glomerulonephritis/di [Diagnosis] | Humans | Hydralazine/ae [Adverse Effects] | Kidney/pa [Pathology] | Lung Diseases/et [Etiology] | Year: 2023ISSN:
  • 1757-790X
Name of journal: BMJ case reportsAbstract: Drug-induced vasculitis can rarely cause inflammation and necrosis of blood vessel walls of both kidney and lung tissue. Diagnosis is challenging because of the lack of difference between systemic and drug-induced vasculitis in clinical presentation, immunological workup and pathological findings. Tissue biopsy guides diagnosis and treatment. Pathological findings must be correlated with clinical information to arrive at a presumed diagnosis of drug-induced vasculitis. We present a patient with hydralazine-induced antineutrophil cytoplasmic antibodies-positive vasculitis with a pulmonary-renal syndrome manifesting as pauci-immune glomerulonephritis and alveolar haemorrhage. Copyright © BMJ Publishing Group Limited 2023. No commercial re-use. See rights and permissions. Published by BMJ.All authors: Acharya I, Arend LJ, Smith LW, Weisman DSFiscal year: FY2024Digital Object Identifier: ORCID: Date added to catalog: 2023-08-15
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Drug-induced vasculitis can rarely cause inflammation and necrosis of blood vessel walls of both kidney and lung tissue. Diagnosis is challenging because of the lack of difference between systemic and drug-induced vasculitis in clinical presentation, immunological workup and pathological findings. Tissue biopsy guides diagnosis and treatment. Pathological findings must be correlated with clinical information to arrive at a presumed diagnosis of drug-induced vasculitis. We present a patient with hydralazine-induced antineutrophil cytoplasmic antibodies-positive vasculitis with a pulmonary-renal syndrome manifesting as pauci-immune glomerulonephritis and alveolar haemorrhage. Copyright © BMJ Publishing Group Limited 2023. No commercial re-use. See rights and permissions. Published by BMJ.

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