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Fig. 2 | Surgical Case Reports

Fig. 2

From: Multiple pleural nodules diagnosed as IgG4-related disease: a case report

Fig. 2

Histopathological and immunohistochemical findings. The nodule consisting of hyalinized fibrous tissue, with a high degree of plasma cell-based inflammatory cell infiltration. A storiform pattern was observed in some parts of the fibrosis. Obstructive phlebitis was not apparent. a Hematoxylin and eosin (H&E) staining, × 2 magnification. The black rectangle in (a) is the same area as shown in (b). b H&E staining, × 20 magnification. c H&E staining, × 40 magnification. d IgG4- positive plasma cells were conspicuous, accounting for 70.5% of cells

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