Objective IgG4‐related disease (IgG4‐RD) can cause fibroinflammatory lesions in nearly
any organ. Correlation among clinical, serologic, radiologic, and pathologic data is required …

Natural killer (NK) cells have been implicated in tumour surveillance and in the early control
of several microbial infections. In autoimmune disease their involvement in these processes …

Background Granulomatous disease (GD) will develop in a subset of patients with common
variable immunodeficiency (CVID). Little is known about the efficacy of therapeutic agents …

Abstract Coronavirus disease 2019 (COVID-19) is a disease caused by infection with severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and has resulted in a pandemic …

Objective Autoimmune pancreatitis (AIP) is a treatable form of chronic pancreatitis that has
been increasingly recognised over the last decade. We set out to better understand the …

Background. Common variable immunodeficiency is characterized by recurrent infections
and defective immunoglobulin production. Methods. The DEFI French national study …

Background Primary immunodeficiencies (PIDs) are inherited diseases associated with a
considerable increase in susceptibility to infections. It is known that PIDs can also …

Hemophagocytic syndrome (HPS) is characterized by an uncontrolled and poorly
understood activation of T-helper 1 (Th-1) lymphocytes and macrophages. We studied 20 …

Cancer can occur in patients with inflammatory myopathies. This association is mainly
observed in dermatomyositis, and myositis-specific antibodies have allowed us to delineate …

IgG4-related systemic disease is now recognized as a systemic disease that may affect
various organs. The diagnosis is usually made in patients who present with elevated IgG4 in …