UNASSIGNED: A 36-year-old woman with no personal medical history presented with annular erythema with target lesions and petechial purpura. The patient had fever and joint arthralgia. A skin biopsy showed leukocytoclastic vasculitis with IgA deposits on direct immunofluorescence. The diagnosis of immunoglobulin A vasculitis with annular leukocytoclastic vasculitis was made. The patient showed global improvement with topical steroids without relapse.
UNASSIGNED: An annular variant of leukocytoclastic vasculitis is a rare manifestation of immunoglobulin A vasculitis.
CONCLUSIONS: Annular erythema may reveal an IgA vasculitis.Annular leukocytoclastic vasculitis is a rare manifestation of IgA vasculitis.This presentation is treated with topical steroids.
■一名36岁女性,无个人病史,表现为环状红斑,有靶病变和瘀点紫癜。患者发热,关节关节痛。皮肤活检显示白细胞碎裂性血管炎在直接免疫荧光上有IgA沉积物。诊断为免疫球蛋白A血管炎伴环状白细胞碎裂性血管炎。患者使用局部类固醇表现出整体改善而没有复发。
■白细胞碎裂性血管炎的环状变体是免疫球蛋白A血管炎的罕见表现。
结论:环状红斑可显示IgA血管炎。环状白细胞碎裂性血管炎是IgA血管炎的罕见表现。这种表现是用局部类固醇治疗的。