Figure 8From: Systemic IgG4-related disease with extensive peripheral nerve involvement that progressed from localized IgG4-related lymphadenopathy: an autopsy caseLymph nodes (A-B: peri-tracheal, C-D: peri-choledochal). A: An IPT-like fibrotic nodule is seen. B: At high magnification, plasma cell and eosinophil infiltrates are seen around the IPT-like nodule with storiform pattern fibrosis. C-D: Obstructive phlebitis is seen in a peri-choledochal lymph node.Back to article page