目的探讨白细胞髓过氧化物酶(mpo)缺陷症的病变特点及临床实验诊断策略。

Objective to study the pathological characteristics of leukocyte myeloperoxidase (MPO) deficiency and clinical laboratory diagnostic strategy for this disease.

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目的：分析伴髓过氧化物酶-抗中性粒细胞胞质抗体（MPO-ANCA）阳性的狼疮性肾炎（LN）患者的临床和病理特点。

Objective:To study the clinical and pathologic features of patients with lupus nephritis (LN) whose myeloperoxidase anti-neutrophil cytoplasmic antibody (MPO-ANCA) were positive.

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外周血髓过氧化物酶是髓系细胞的特异性标志，主要存在于中性粒细胞和单核细胞的嗜苯胺蓝颗粒中，近几年其在临床工作中的重要性受到广泛关注。

Myeloperoxidase in peripheral blood is unique to neutrophils and monocytes, which exists mainly in azurophilic granules. In recent years, it has attracted extensive concern in clinic.

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