患者,女,19岁,学生,2005-03-24入院。近2年低热、膝关节疼痛,2d 前寒战、发热、右上腹疼痛。现病史:2年前低热、膝关节疼痛伴鼻衄,入住中国医大附属第一医院。查抗核抗体(ANA)1:80(+),抗双键DNA(抗 ds-DNA) (++),补体 C_3 0.32 g/L(正常0.88～2.0 g/L),补体 C_4 0.03 g/L(正常0.16～0.47g/L),诊断系统性红斑狼疮,经用泼尼松等药治疗,病情缓解后出院。一直应用泼泥松维持量治疗。2 d 前无明显 Patient, female, 19 years old, student, admitted to hospital on March 24, 2005. Nearly 2 years of fever, knee pain, 2d former chills, fever, right upper quadrant pain. Current medical history: 2 years ago, fever, knee pain with epistaxis, admitted to the First Affiliated Hospital of China Medical University. (+), Anti-double bond DNA (++), complement C_3 0.32 g / L (normal 0.88 ~ 2.0 g / L), complement C_4 0.03 g / L (normal 0.16 ~ 0.47g / L), diagnosis of systemic lupus erythematosus, prednisone and other drugs, the disease was relieved after discharge. Has been the application of sphagnum volume maintenance treatment. 2 d before no significant