IgG4-related autoimmune pancreatitis overlapping with Mikulicz’s disease and lymphadenitis: A case report

Figure 1 Typical imaging features of type 1 autoimmune pancreatitis. Computed tomography (CT) scan showing diffuse swelling of the pancreas with loss of lobulation (A), and a dramatic decrease in swelling of the pancreas after 3 wk of steroid treatment (B).

Figure 2 Histological findings of labial salivary gland specimens. A: Hematoxylin and eosin stain showing normal labial gland; B: Diffuse infiltration of lymphoplasma cells from the patient; C, D: Immunohistochemical staining for IgG4 (C) or IgG (D) in plasma cells from the patient, consistent with Mikulicz’s disease. Original magnification, × 400.

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.