text_1: ANCA 的 间接 免疫荧光 检测 结果 为 阳性 , 胞 浆 型 , 滴度 超过 1 ∶ 640 ( 正常值 , < 1 ∶ 20 ) .
  
text_2: results of the indirect immunofluorescence assay for ANCAs were positive , with a cytoplasmic pattern and a titer of more than 1 : 640 ( normal value , < 1 : 20 ) .
  