Case Report

Atypical Endobronchial Carcinoid with Postobstructive Pneumonia Obscuring the Diagnosis of Granulomatosis with Polyangiitis

Figure 1

Skin biopsy showing classic features of small vessel vasculitis with neutrophilic infiltration of the vessel walls, karyorrhexis, and fibrinoid necrosis of vessel walls as well as extensive extravasation of red blood cells.