Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Mar 16, 2022; 10(8): 2510-2515
Published online Mar 16, 2022. doi: 10.12998/wjcc.v10.i8.2510
Figure 2
Figure 2 Histopathology of the lymph node. A: The section shows dense lymphoplasmacytic cells with fibrotic changes (H&E 400×); B: Immunohistochemical staining shows an average of 100 IgG4-positive plasma cells per high-power field.