病理改变 Histopathological findings 白细胞碎裂性血管炎 Leukocytoclastic vasculitis IgA为主的免疫复合物沉积 Deposition of immune complexes of IgA(in the small vessels and glomeruli)
病理改变Histopathological findings 白细胞碎裂性血管炎 Leukocytoclastic vasculitis IgA为主的免疫复合物沉积 Deposition of immune complexes of IgA(in the small vessels and glomeruli)
病理改变 Histopathological findings 肾脏病变:微小、局灶、新月体形成等 箭头所指处为新月体
病理改变Histopathological findings 肾脏病变：微小、局灶、新月体形成等 箭头所指处为新月体
临床表现 Clinical manifestations 常随上呼吸道感染后 Usaually follows an upper respiratory tract infection 可有低热、纳差、乏力 Low-grade fever, losing appetite and fatigue may occur
临床表现Clinical manifestations 常随上呼吸道感染后 Usaually follows an upper respiratory tract infection 可有低热、纳差、乏力 Low-grade fever, losing appetite and fatigue may occur
皮肤紫癜PpWa 高出皮面,初期压之退色 Palpable purpura that initially blanch on pressure 反复出现,呈紫红色 Appear at intervals and evolve from red to purple 对称分布于腰以下 Occur symmetrically below the waist 尚可伴有血管神经性水肿 May have angioedema
皮肤紫癜 Purpura 高出皮面，初期压之退色 Palpable purpura that initially blanch on pressure 反复出现，呈紫红色 Appear at intervals and evolve from red to purple 对称分布于腰以下 Occur symmetrically below the waist 尚可伴有血管神经性水肿 May have angioedema