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Fig. 1 | Journal of Cardiothoracic Surgery

Fig. 1

From: Risk factors and treatment of pneumothorax secondary to granulomatosis with polyangiitis: a clinical analysis of 25 cases

Fig. 1

The microscopic features of pulmonary nodule obtained by percutaneous lung biopsy in a patient with granulomatous vasculitis (GPA). There are more infiltrating lymphocytes, neutrophils and eosinophils in fibrous tissues. Granulomas composed of tissue cells and inflammatory cells are also visible. There are prominent inflammatory cell infiltration and granuloma in the wall of small vessels. HE staining, 100×

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