Case Report
A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous Glomerulopathy
Table 1
Laboratory findings on admission.
| Peripheral blood | | WBC | 9800/μL | Neutro | 78.1% | RBC | 311 × 104/μL | Hb | 10.2 g/dL | Ht | 31.0% | PLT | 26.3 × 104/μL | Blood chemistry | | AST | 17 IU/L | ALT | 12 IU/L | LDH | 286 IU/L | ALP | 209 IU/L | TP | 6.6 g/dL | Alb | 2.7 g/dL | BUN | 43 mg/dL | Cr | 3.22 mg/dL | Na | 144 mEq/L | K | 4.3 mEq/L | Cl | 111 mEq/L | Ca | 8.0 mg/dL | Pi | 4.0 mg/dL | TC | 183 mg/dL | LDL-C | 116 mg/dL | TG | 121 mg/dL | FPG | 83 mg/dL | HbA1c | 5.5% | Serology | | CRP | 5.9 mg/dL | IgG | 962 mg/dL | IgA | 149 mg/dL | IgM | 40 mg/dL | C3 | 88 mg/dL | C4 | 19 mg/dL | CH50 | 30.5 U/mL | TSH | 2.42 μIU/mL | BNP | 1135.7 pg/mL | KL-6 | 689 U/mL | ANA | ×80 (speckled) | dsDNAIgG | <5.0 IU/mL | RA test | (−) | MPO-ANCA | <10 E.U. | PR3-ANCA | <10 E.U. | Azurocidin-ANCA | (−) | BPI-ANCA | (+) | Cathepsin G-ANCA | (−) | Elastase-ANCA | (+) | Lactoferrin-ANCA | (−) | Lysozyme-ANCA | (+) | SS-A/RO | (−) | SS-B/LA | (−) | Anti-GBM | <10 E.U. | Cryoglobulin | (−) | HBs-Ag | (−) | HCV-Ab | (−) | TPHA | (−) | Urine | | U-protein | 5.13 g/day | 24-hour-CCr | 21 mL/min | Sediment | | RBC | Many/HPF | WBC | 50–99/HPF | C-granule | 2+ | C-RBC | 1+ |
|
|