Computed tomography (CT) revealed multiple pulmonary nodules, some with an inflammatory ... of the granulomatous lesions. Histopathological analysis revealed extensive necrotizing epithelioid ...

Granulomatosis with polyangiitis Granulomatous inflammation involving the respiratory tract and necrotizing vasculitis affecting small-to-medium sized vessels (e.g., capillaries, venules ...

The pathology of WG/GPA is characteristically described as a granulomatous necrotizing inflammation and pauci-immune vasculitis of the small- to medium-sized blood vessels (Figure 1). WG/GPA can ...