, Volume 30, Issue 6, pp 886-893
Date: 22 Sep 2010

Diffuse Large B Cell Lymphoma in Hyper-IgE Syndrome Due To STAT3 Mutation

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The Job or hyper-immunoglobulinemia E syndrome is a primary immunodeficiency that is usually inherited in an autosomal dominant fashion. With the discovery of mutations in the STAT3 gene in the majority of autosomal dominant cases, it is now possible to make a molecular diagnosis of hyper-IgE syndrome. Both primary and secondary immunodeficiencies, including hyper-IgE syndrome, may predispose for malignancies, especially lymphomas, mainly mature B cell lymphomas, and classical Hodgkin lymphoma. Here, we report of a 48-year-old male with hyper-IgE syndrome who developed a primary parotid gland diffuse large B cell lymphoma. Analysis for STAT3 mutations demonstrated that the causal mutation of hyper-IgE syndrome, R382Q, arose de novo in the patient and it was transmitted to three of his five children, all three of whom are clinically affected. We review the literature regarding lymphoma in hyper-IgE syndrome and the possible etiologic relationship with STAT3 mutations.