Lymphomatoid granulomatosis
Imaging findings
CT chest shows multiple large, bilateral pulmonary masses and nodules containing patent, non-compressed airways (air bronchogram sign) that show regression post-immunotherapy.
Key takeaways
Lymphomatoid granulomatosis is an Epstein-Barr virus (EBV)-associated angiocentric lymphoproliferative disorder. It characteristically presents with multiple pulmonary nodules and masses, often containing air bronchograms, mimicking vasculitis (GPA) or lymphoma.
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