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Pachymeningeal enhancement on magnetic resonance imaging in granulomatosis with polyangiitis
Granulomatosis with polyangiitis (GPA) is a multisystemic, antineutrophil cytoplasmic antibody (ANCA)–associated small vessel vasculitis. The orbit and ocular tissues are implicated in approximately a third of cases.1 Common manifestations are conjunctivitis, episcleritis, orbital inflammation, and uveitis.1
