An elevated serum titer of immunoglobulin G4 (IgG4), the least common (3% to 6%) of the 4
subclasses of IgG, is a surrogate marker for the recently characterized IgG4-related …

Abstract Objectives IgG4-related disease (IgG4-RD) is an inflammatory disorder responsible
for fibrosing, tumefactive lesions that can involve the lacrimal gland as well as the …

IgG4‐related diseases comprise a recently recognized systemic syndrome characterized by
mass‐forming lesions in mainly exocrine tissue that consist of lymphoplasmacytic infiltrates …

Immunoglobulin G4 (IgG4)–related disease is a recently established systemic disease that
commonly involves the head and neck, including the salivary glands, lacrimal glands, orbits …

Immunoglobulin G4-related systemic disease (IgG4-RSD) is a recently defined emerging
entity characterized by a diffuse or mass forming inflammatory reaction rich in IgG4-positive …

Abstract IgG4-related disease (IgG4-RD) is a chronic inflammatory disorder, characterized
by elevated serum IgG4 levels as well as abundant infiltration of IgG4-positive plasmacytes …

Conclusion: IgG4-related disease involves nasal manifestations with chronic rhinosinusitis
(CRS). This type of sinusitis is a new clinical entity of nasal disease associated with a high …

Abstract Introduction Immunoglobulin (Ig) G4-related disease is a recently designated
benign clinical entity histopathologically characterized by sclerosing inflammation and …

Abstract The World Health Organization (WHO) 2017 classification of head and neck tumors
has been just published and has reorganized tumors of the nasal cavity and paranasal …

IgG4-related IPTs have been reported in various sites and may form part of the spectrum of
systemic IgG4-related sclerosing disease. Some pseudotumors are clinically and …