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

Figure 6

Histology slide from the atypical carcinoid tumor. Nests of uniform, bland carcinoid cells with central nuclei and moderate cytoplasm, prominent vasculature surrounding the nests (H&E, ×20). Inset: infrequent mitoses (H&E, ×63).