Table 3

Histological and immunohistochemical findings of the pancreas, peripancreatic tissue, lymph nodes, biliary tract, and salivary gland in patients with autoimmune pancreatitis, alcoholic chronic pancreatitis, and Sjögren’s syndrome

Cellular infiltration
LymphocytePlasma cell
FibrosisCD4+ T cellCD8+ T cellCD20+ B cellIgG+IgG4+IgA+IgM+
Autoimmune pancreatitis
    Peripancreatic tissue+/−+++++/−++
    Peripancreatic lymph nodes++++++++
    Cervical lymph node++++++++
    Upper bile duct wall++++/−+/−+/−
    Lower bile duct wall+++++++/−++
    Gall bladder wall++++/−+/−
    Salivary gland++++++
Alcoholic chronic pancreatitis
    Peripancreatic lymph nodes++++++
    Lower bile duct wall++/−+/−+/−
Sjögren’s syndrome
    Salivary gland++++