Lacrimal Gland Involvement in Lymphomatoid Granulomatosis and Review of the Literature

Figure 4

Transbronchial biopsy. (a) Photomicrograph of the transbronchial biopsy demonstrates submucosal lymphocytic inflammatory infiltrate (hematoxylin-eosin, original magnification $\times$100). (b) Higher magnification shows a polymorphous lymphoid population with atypical lymphoid cells (hematoxylin-eosin, original magnifiaction $\times$400). (c) Immunohistochemistry illustrates that the cells are predominantly B-cells (CD20 immunohistochemical stain, original magnification $\times$200). (d) Immunohistochemistry for Epstein-Barr virus antigen demonstrates positive staining (EBV-LMP immunohistochemical stain, original magnification $\times$400).

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