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Concept of IgG4-related disease
Hideaki Hamano
※1
※1 Medical Informatics Division and Department of Internal Medicine,Gastroenterology,Shinshu University Hospital
Autoimmune pancreatitis (AIP) is divided into two subtypes,type 1 AIP,related to IgG4 and type 2 AIP,not related to IgG4. IgG4-related disease is a recently described entity,characterized by increased serum IgG4 concentration,abundant infiltration of IgG4 positive plasmacytes and multi-organ involvement. Type 1 AIP is one of the IgG4-related diseases. The concept of IgG4-related disease will change in accordance with future studies.
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