TITLE

A new conceptualization for Mikulicz's disease as an IgG4-related plasmacytic disease

AUTHOR(S)
Yamamoto, Motohisa; Takahashi, Hiroki; Ohara, Mikiko; Suzuki, Chisako; Naishiro, Yasuyoshi; Yamamoto, Hiroyuki; Shinomura, Yasuhisa; Imai, Kohzoh
PUB. DATE
December 2006
SOURCE
Modern Rheumatology (Springer Science & Business Media B.V.);Dec2006, Vol. 16 Issue 6, p335
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Mikulicz's disease (MD) has been included within the diagnosis of primary Sjögren's syndrome (SS), but it represents a unique condition involving persistent enlargement of the lacrimal and salivary glands characterized by few autoimmune reactions and good responsiveness to glucocorticoids, leading to the recovery of gland function. Mikulicz's disease was recently reported to be associated with elevated immunoglobulin G4 (IgG4) concentrations in the serum and prominent infiltration of plasmacytes expressing IgG4 into the lacrimal and salivary glands. The following features were used for diagnosis: (1) visual confirmation of symmetrical and persistent swelling in more than two lacrimal and major salivary glands; (2) prominent mononuclear cell infiltration of lacrimal and salivary glands; and (3) exclusion of other diseases that present with glandular swelling, such as sarcoidosis and lymphoproliferative disease. These features are not observed in most SS cases. The complications of MD include autoimmune pancreatitis, retroperitoneal fibrosis, tubulointerstitial nephritis, autoimmune hypophysitis, and Riedel's thyroiditis, all of which show IgG4 involvement in their pathogenesis. Mikulicz's disease thus differs from SS and may be a systemic IgG4-related plasmacytic disease.
ACCESSION #
23444545

 

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