IgA nephropathy

例句：

1. 1. He was diagnosed with IgA nephropathy and required immediate treatment.
   他被诊断出患有IgA肾病，需要立即治疗。
2. 2.The patient's condition worsened rapidly after the diagnosis of IgA nephropathy.
   患者被诊断出患有IgA肾病后，病情迅速恶化。
3. 3.The research on IgA nephropathy has significant implications for understanding kidney disease.
   对IgA肾病的研究对于理解肾脏疾病具有重要意义。