Histopathologic Overlap between Fibrosing Mediastinitis and IgG4-Related Disease

Figure 1

Histopathological changes and IgG4 immunostaining demonstrate an overlap between FM and IgG4-RD in a subset of patients (𝑛=3), (a). cell rich, storiform fibrosis, (b). vascular inflammation and (c). IgG4 positive plasma cells. (representative images selected from 3 patients).

(a)

(b)

(c)