Case Reports in Immunology / 2012 / Article / Tab 2

Case Report

Persistent Lymphadenopathy due to IgG4-Related Disease

Table 2

Proposed comprehensive diagnostic criteria for IgG4-RD*.

Organ enlargement, mass or nodular lesions, or organ dysfunction
A serum IgG4 concentration >135 mg/dL
Histopathological findings of >10 IgG4 cells/high powered field and an IgG4+/IgG+ cell ratio >40%
Definite = , Possible = + , Probable = +

*Adapted from Umehara et al. [2].

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