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Lupus ; 27(13): 2069-2075, 2018 Nov.
Article in English | MEDLINE | ID: mdl-30336755

ABSTRACT

OBJECTIVE: We aim to explore the differences of skin signs between juvenile- and adult-onset systemic lupus erythematosus and to identify their associations to the development of systemic involvement. METHODS: A retrospective chart review of 377 systemic lupus erythematosus patients was performed. RESULTS: In total, 171 patients with juvenile systemic lupus erythematosus and 206 with adult systemic lupus erythematosus were studied. All patients were of Southeast Asian descent. The mean duration of follow up was 8.18 ± 6.19 and 9.36 ± 7.68 years for juvenile systemic lupus erythematosus and adult systemic lupus erythematosus, respectively. At diagnosis, most patients presented with acute cutaneous lupus erythematosus, whereas chronic cutaneous lupus erythematosus was twice as common in adult systemic lupus erythematosus ( p < 0.001). The mean Systemic Lupus Erythematosus Disease Activity Index of juvenile systemic lupus erythematosus was significantly higher than that of adult systemic lupus erythematosus (14.29 ± 7.13 vs 11.27 ± 6.53). Multivariate analysis revealed the following associations in juvenile systemic lupus erythematosus: acute cutaneous lupus erythematosus and non-scarring alopecia with increased risk of arthralgia, mucosal ulcers with leukopenia, cutaneous vasculitis with seizure, and finding of granular casts. On the contrary, the associations for adult systemic lupus erythematosus were oral ulcers with arthralgia and cutaneous vasculitis with myositis. CONCLUSIONS: Cutaneous signs in systemic lupus erythematosus may signal prognostic implication. Interestingly, despite similar cutaneous lesions in systemic lupus erythematosus, different ages of onset are associated with different systemic involvement.


Subject(s)
Lupus Erythematosus, Systemic/complications , Skin Diseases, Vascular/etiology , Adolescent , Adult , Age of Onset , Female , Humans , Logistic Models , Lupus Erythematosus, Cutaneous/pathology , Lupus Erythematosus, Discoid/pathology , Male , Middle Aged , Multivariate Analysis , Prognosis , Retrospective Studies , Severity of Illness Index , Skin Diseases, Vascular/pathology , Tertiary Care Centers , Thailand , Ulcer/etiology , Ulcer/pathology , Young Adult
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