Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
IgG4-related Disease - A Systemic Disease that Deserves Attention Regardless of One's Subspecialty
Hideaki HamanoEiji TanakaNobukazu IshizakaShigeyuki Kawa
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JOURNALS OPEN ACCESS Advance online publication

Article ID: 9533-17

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Abstract

IgG4-related disease (IgG4-RD) is an inflammatory condition characterized by a high serum IgG4 concentration and the abundant infiltration of lymphocytes and IgG4-positive plasma cells in the tissue, as well as spatial (diverse clinical manifestations) and temporal (the possibility of recurrence) multiplicities. Since the initial documentation of IgG4-related disease in patients with autoimmune pancreatitis in 2001, a growing body of evidence has been accumulating to suggest that various-virtually all-organs can be affected by IgG4-RD. In general, steroid therapy is effective and is considered to be the first-line treatment for IgG4-RD. The precise mechanism underlying this systemic disorder has remained unknown. Considering that IgG4-RD was specified as being an intractable disease in 2015, further studies are needed to clarify whether IgG4-RD is indeed a distinct disease entity or a complex of disorders of different etiologies and clinical conditions.

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© 2018 by The Japanese Society of Internal Medicine
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