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VEXAS Syndrome: A Case Series From a Single-Center Cohort of Italian Patients With Vasculitis.


ABSTRACT:

Objective

To identify patients with VEXAS syndrome (vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic syndrome) from a single-center cohort of Italian patients with vasculitis, using a clinically oriented phenotype-first approach.

Methods

We retrospectively reviewed the clinical records of 147 consecutive male patients followed up in our vasculitis clinic from 2013 to date. All patients with a diagnosis of vasculitis and treatment-resistant manifestations of inflammation, persistently elevated inflammation markers, and hematologic abnormalities were identified. Bone marrow aspirates were examined for the presence of vacuoles. Sequencing of ubiquitin-activating enzyme E1 (UBA-1) was performed using genomic DNA from peripheral blood leukocytes or bone marrow tissue.

Results

Seven patients with vasculitis and concomitant features of VEXAS syndrome were identified. A final diagnosis of VEXAS syndrome was made in 3 of the 5 patients who underwent sequencing of UBA-1 (diagnosis was made postmortem for 1 patient). In all 3 patients, examination of the bone marrow aspirate revealed vacuoles characteristic of VEXAS syndrome, and all 3 patients met the definitive World Health Organization criteria for myelodysplastic syndrome. Cytogenetic analysis showed normal karyotypes in all 3 patients.

Conclusion

To our knowledge, this is the first report of VEXAS syndrome associated with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis. Our data emphasize the need to consider VEXAS syndrome when evaluating patients with various forms of systemic vasculitis. The novel association between VEXAS syndrome and ANCA-associated vasculitis reported herein warrants further investigation.

SUBMITTER: Muratore F 

PROVIDER: S-EPMC8957507 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature

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<h4>Objective</h4>To identify patients with VEXAS syndrome (vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic syndrome) from a single-center cohort of Italian patients with vasculitis, using a clinically oriented phenotype-first approach.<h4>Methods</h4>We retrospectively reviewed the clinical records of 147 consecutive male patients followed up in our vasculitis clinic from 2013 to date. All patients with a diagnosis of vasculitis and treatment-resistant manifestations of inflammation, p  ...[more]

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