Mass‐Forming Variants in Antineutrophil Cytoplasmic Antibody–Associated Vasculitis: Diagnostic Complexities in Granulomatous Disease. A Case Report

A middle‐aged woman presented with a granulomatous breast lesion in 2018. By 2021, antibiotic‐resistant pneumonia led to the discovery of granulomatous inflammation in the lung and thyroid. Initially misdiagnosed as Erdheim–Chester disease (ECD), she was treated with interferon without success. Hist...

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Bibliographic Details
Main Authors: Benedetta Fazzi, Elena Treppo, Simone Longhino, Maria Pillon, Luca Quartuccio
Format: Article
Language:English
Published: Wiley 2025-04-01
Series:ACR Open Rheumatology
Online Access:https://doi.org/10.1002/acr2.70038
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