Abstract
Objective To study the correlation between the etiology and clinical features of erythroderma.Methods The clinical data on 182 patients with erythroderma were retrospectively collected and analyzed.Results The male-to-female ratio was 2.8 ∶ 1 and the average age at onset was 58.6 ± 14.6 years.Of the 182 cases,135 (74.2％) were due to pre-existing dermatoses,14 (7.7％) to drug reaction,8 (4.4％) to malignancies,while 25 (13.7％) had no obvious precipitating factors.The most frequent triggering factor was systemic consumption of drugs (52 patients,28.6％ ),and glucocorticosteroid was the most prevalent causative drug.Seventy-six patients were followed up,recurrence was observed in 14 patients but not in 58 patients,and 5 patients died,2 patients with idiopathic erythroderma were finally diagnosed with mycosis fungoides (MF)after multiple skin biopsies.Conclusions Pre-existing dermatoses are the most frequent cause of erythroderma.Idiopathic erythroderma is liable to relapse,possibly associated with malignancies,and should be closely followed up. Key words: Erythroderma; Prognosis
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