Case Report
Galactose-Deficient IgA1 Deposits in Clear Cell Renal Cell Carcinoma-Related Henoch–Schönlein Purpura Nephritis
Table 1
Laboratory results before each kidney biopsy and after tumor resection.
| | Variables | Baseline (at presentation) | Before the 1st kidney biopsy | Three weeks after tumor resection (before the 2nd kidney biopsy) | Five months after tumor resection (before the 3rd kidney biopsy) | Reference range |
| | Sodium (mmol/L) | 140 | 134 | 144 | 138 | 133–144 | | Potassium (mmol/L) | 4.5 | 4.0 | 3.7 | 4.6 | 3.4–5.3 | | Chloride (mmol/L) | 105 | 101 | 115 | 104 | 94–109 | | Carbon dioxide (mmol/L) | 24 | 20 | 15 | 24 | 20–32 | | Calcium (mg/dL) | 9.4 | 7.5 | 7.1 | 8.2 | 8.5–10.1 | | Phosphorus (mg/dL) | 3.8 | 5.6 | 7.4 | 3.9 | 2.4–4.5 | | BUN (mg/dL) | 12 | 62 | 58 | 32 | 7–30 | | Cr (mg/dL) | 0.75 | 5.14 | 4.76 | 4.89 | 0.66–1.25 | | Protein, total (g/dL) | 7.2 | 5.2 | 3.8 | 4.7 | 6.8–8.8 | | Albumin (g/dL) | 3.6 | 1.6 | 1.0 | 1.4 | 3.4–5.0 | | Protein, total urine (g/gr Cr.) | − | 8.91 | 9.19 | 16.99 | 0–0.2 | | Glucose (mg/dL) | 98 | 84 | 80 | 101 | 70–99 | | WBC (109/L) | 10.9 | 18.7 | 5.8 | 2.5 | 4.0–11.0 | | Hemoglobin (g/dL) | 14.6 | 10.3 | 7.7 | 8.7 | 13.3–17.7 | | Platelets (109/L) | 317 | 204 | 335 | 123 | 150–450 | | ANA | — | <1.0 | — | — | <1.0 | | dsDNA (IU/mL) | — | 2 | — | — | <10 | | ANCA | — | <1 : 20 | — | — | — | | Cryoglobulin (%) | — | — | Neg | — | (NEG%) | | C3 (mg/dL) | — | 130 | 110 | — | 76–169 | | C4 (mg/dL) | — | 15 | 23 | — | 15–50 | | IgA (mg/dL) | — | 118 | — | — | 70–380 | | IgG (mg/dL) | — | 479 | — | — | 695–1620 | | IgM (mg/dL) | — | 25 | — | — | 60–265 | | Myeloperoxidase Ab, IgG (AI) | — | 0.2 | 0.2 | — | 0.0–0.9 | | Proteinase 3Ab, IgG (AI) | — | 0.2 | 0.2 | — | 0.0–0.9 |
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