Lessons of the month: ANCA-associated vasculitis - granulomatosis with polyangiitis: 'the great mimic'

James Hesford, Andrew Rl Medford, Harsha Gunawardena

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

We describe the case of a 61-year-old woman who presented with progressive respiratory symptoms and imaging demonstrating multiple opacities in the right lung with hilar and mediastinal lymphadenopathy suggestive of multifocal adenocarcinoma. Subsequent biopsies were consistent with focal changes of organising pneumonia (OP) and no evidence of malignancy. She was treated with steroids for cryptogenic OP with limited response. There was clinical and radiological progression with new lung nodules, mediastinal and thoracic spinal canal infiltration. There was ongoing concern that clinical findings represented disseminated malignancy. Following further investigation and multidisciplinary respiratory and rheumatology review, a diagnosis of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) - granulomatosis with polyangiitis (GPA) was confirmed. The case highlighted the multisystem nature of GPA with unusual dural and large vessel aortic and pulmonary trunk involvement.

Original languageEnglish
Pages (from-to)e231-e233
JournalClinical Medicine
Volume21
Issue number2
DOIs
Publication statusPublished - Mar 2021

Keywords

  • ANCA-associated vasculitis

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