ANCA in patients with systemic lupus erythematosus. A cross sectional study in Brazilian patients and review of literature.

Background: Antineutrophil cytoplasmatic antibodies (ANCA) have been detected in patients with systemic lupus erythematosus (SLE). In this study, we investigated the presence of ANCA in a sample of Brazilian SLE patients and its possible associations with clinical and serological outcomes. Additionally, we reviewed the literature of on ANCA in SLE.

Comparison of lupus patients with early and late onset nephritis: a study in 71 patients from a single referral center.

Background: Nephritis occurs frequently in systemic lupus erythematosus (SLE) and may worsen disease morbidity and mortality. Knowing all characteristics of this manifestation helps to a prompt recognition and treatment.

Aim: To compare the differences in clinical data, serological profile and treatment response of nephritis of early and late onset.