Case Report
An Unusual Initial Presentation of Lupus Nephritis as a Renal Mass
Table 1
Investigation results at time of partial nephrectomy specimen and subsequent kidney biopsy after 12 months of clinical follow-up.
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Investigation | Results | Partial nephrectomy | Biopsy |
| Serum creatinine | 60 μmol/L | 61 μmol/L | Microscopic hematuria | 3–5 red blood cells per field | 3–5 red blood cells per field | Urinary albumin/creatinine ratio | 7.6 mg/mmol | 10 mg/mmol | ANA titer | <1 : 80 | <1 : 80 | Anti-DNA | 424 × 103 IU/L | <55 × 103 IU/L | Anti-SSA/Rho | 10.4 IU/L | — | Anti-SSB/La | 15.9 IU/L | — | C3 complement | 1.22 g/L | 1.08 g/L | C4 complement | 0.15 g/L | 0.19 g/L | Serum IgG | 28.7 g/L | — | IgG4 subclass | 0.6 g/L | — |
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