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Iatreia
versão impressa ISSN 0121-0793
Resumo
VELASQUEZ FRANCO, Carlos Jaime et al. Cutaneous manifestations of early systemic lupus erythematosus and correlation with systemic activity. Iatreia [online]. 2011, vol.24, n.4, pp.359-364. ISSN 0121-0793.
Cutaneous manifestations of systemic lupus erythematosus (SLE) are heterogeneous (both specific and non-specific). Little is known about the relationship between these manifestations and the clinical and immunological activity of the disease in early stages. We carried out a cross-sectional study in 34 patients with early SLE. We found a significant association between alopecia and hypocomplementemia C3 (p = 0.021), hypocomplementemia C4 (p < 0.001) and anti-Sm (p = 0.011); between malar erythema and anti-Ro (p = 0.037) and anti-La (p = 0.037); between photosensitivity and anti-RNP (p = 0.037). We observed a trend to association between oral ulcers and hypocomplementemia C4 (p = 0.064). No association was found between cutaneous manifestations and the presence of anti-ds DNA, anticardiolipin antibodies, lupus anticoagulant, false-positive VDRL, leucopenia, thrombocytopenia, hypergammaglobulinemia, elevated erythrosedimentation rate or SLEDAI. We highlight the relevance of the relationship between non-specific cutaneous manifestations of early SLE (alopecia and photosensitivity) and the systemic activity of the disease and hypocomplementemia, an important marker of immunological activity.
Palavras-chave : Alopecia; Complement C3; Complement C4; Lupus Erythematosus; Systemic; Lupus Erythematosus; Cutaneous.