Bilateral Bronchiectasis as a Presentation Form of Pulmonary Marginal Zone B-Cell Lymphoma of Bronchus Associated Lymphoid Tissue

Figure 3

Lung biopsies. (a) Bronchial mucosa with lymphoid infiltration by small cells with germinal center formation. (40x-HE). (b) Lymphoepithelial lesions (100x-HE). Immune-histochemical demonstrating that lymphocytes were positive for BCL-2 (c) and CD20 (d).

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