Figure 3.
Histological findings of submandibular lymph node specimen. Immunohistochemical staining showing IgG4-positive plasma cells (A) and IgG-positive plasma cells (B) in lymph node sections of the patient. Original magnification, × 400.
Histological findings of submandibular lymph node specimen. Immunohistochemical staining showing IgG4-positive plasma cells (A) and IgG-positive plasma cells (B) in lymph node sections of the patient. Original magnification, × 400.