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Figure 4 | Diagnostic Pathology

Figure 4

From: Systemic IgG4-related disease with extensive peripheral nerve involvement that progressed from localized IgG4-related lymphadenopathy: an autopsy case

Figure 4

A retroperitoneal mass around the left internal iliac artery. A: Fibrotic nodules approximately 2 cm in diameter are seen. B: Fibrosis and dense inflammatory cells are patchily distributed around the peripheral nerves, and obliterative phlebitis is seen. C: At high magnification, infiltrates of plasma cells and eosinophils are seen.

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