Background. Contrast-enhanced color Doppler ultrasonography is a non-radiation-bearing
tool that can be of value for assessment of inflammatory and vascular synovial changes in …

OBJECTIVE: To evaluate superoxide anion (O2-), nitrite/nitrate (NO2-/NO3-), and nitrotyrosine
(NT) production and the contribution of myeloperoxidase (MPO) to the production of NT-…

OBJECTIVE: To assess the presence of CD59 and the deposition of membrane attack
complex (MAC) of complement system in skeletal muscle from patients with juvenile …

Introduction: Autoinflammatory diseases are very rare diseases presenting within a wide
clinical spectrum. Recognition of the main clinical features are challenging due to overlapping …

Objective: To describe the characteristics of macrophage activation syndrome associated with
juvenile idiopathic arthritis. Description: This is a retrospective study involving 462 patients …

Objective To evaluate the inter- and intrareader variability for interpretation of a modified
Larsen's radiographic classification system for juvenile rheumatoid arthritis (JRA) focused on …

Systemic lupus erythematosus is a prototypical autoimmune disease characterized by the
deregulation of T and B cells, tissue infiltration by mononuclear cells, tissue damage and the …

The aims of this study were to assess serum Fas, FasL, TRAIL, and Bcl-2 levels in patients
with juvenile-onset systemic lupus erythematosus (JSLE) and to evaluate their relations with …

Introduction Associations between systemic lupus erythematosus (SLE) and primary
immunodeficiencies (PIDs) were analyzed to gain insight into the physiopathology of SLE. Some …

OBJECTIVE: To analyze the frequency of human leukocyte antigens class II-DR in children
and adolescents with systemic lupus erythematosus. PATIENTS AND METHODS: Fifty-…