Medicina clinica
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Castleman's disease (CD) encompasses a heterogeneous set of reactive lymphoproliferative processes that share well-defined histologic features. CD is considered a rare or minority disease. The incidence of CD is not fully known, although it is estimated at less than 1 per 100,000 inhabitants. ⋯ The incidence is similar in both sexes, although the unicentric variant seems to have a slight predominance in women with a 2:1 ratio. CD is classified into a hyalinovascular form (this being the most frequent) and a plasmocellular form, related to the HIV and VHH-8 viruses, which together with other autoimmune mechanisms develop hyperproduction of interleukin-6 (IL-6) by B lymphocytes. There are different lines of treatment, where the use of anti IL-6 stands out, being siltuximab the most used as orphan drug in this pathology.
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Metabolic syndrome (MetS) is a chronic proinflammatory and prothrombotic condition that exacerbates insulin resistance, oxidative damage, and cardiovascular risk, being more prevalent in patients with systemic lupus erythematosus (SLE), a chronic multisystemic autoimmune disorder. This study aim was to determine the prevalence of MetS and associations with SLE clinical characteristics, cardiovascular risk and dietary pattern in a population of Spanish SLE patients. ⋯ We observed a lower prevalence of MetS in SLE than that reported in previous studies, which may be a result of the good level of adherence to the MedDiet in our study sample. Additionally, MetS was associated with higher SDI and complement C3 levels but no with medication use.