Immunoglobin G4‐hepatopathy: Association of immunoglobin G4‐bearing plasma cells in liver with autoimmune pancreatitis
Takeji Umemura, Yoh Zen, Hideaki Hamano, Shigeyuki Kawa, Yasuni Nakanuma, Kendo Kiyosawa – 27 July 2007 – Autoimmune pancreatitis (AIP) is characterized by high serum immunoglobin (Ig) G4 concentrations, lymphoplasmacytic inflammation, and a favorable response to corticosteroid treatment. Since liver dysfunction is frequently seen in AIP patients, we investigated hepatic histopathology and its clinical significance in patients with AIP.