A case of VEXAS (vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic) syndrome presenting as progressive multisystem involvement with parenchymal infiltrates following infection with Epstein Barr virus.

VEXAS (vacuoles, E1 enzyme, X-linked, autoinflammatory, and somatic) syndrome is a rare multisystem disease affecting predominantly males over 50 and manifesting as widespread progressive inflammatory sequelae and haematological dysfunction. We describe a patient who presented with systemic symptoms of fevers, night sweats and weight loss, and developed progressive inflammatory sequelae including cutaneous lesions, haematological dysfunction, lymphadenopathy, migratory inflammatory arthropathies, with new pulmonary infiltrates, following infection with Epstein Barr Virus. Laboratory investigations, bronchoscopy, bone marrow biopsy and imaging were consistent with an inflammatory aetiology. The constellation of organ system involvement, laboratory, biopsy, and imaging results were suspicious for VEXAS syndrome, and this diagnosis was confirmed by identification of a somatic mutation in the UBA1 gene following extensive exclusion of infectious and autoimmune causes. Interestingly the onset of the VEXAS syndrome coincided with serological confirmation of Epstein Barr Virus raising the importance of further exploration into the underlying aetiology of VEXAS syndrome.

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© 2024 The Author(s). Respirology Case Reports published by John Wiley & Sons Australia, Ltd on behalf of The Asian Pacific Society of Respirology.

Déclaration de conflit d'intérêts

Phan Nguyen is an Editorial Board member of Respirology Case Reports and a co‐author of this article. He was excluded from all editorial decision‐making related to the acceptance of this article for publication. The other authors have nothing to declare.