Case Series
Can Antinuclear Antibodies (ANA) be Monoclonal?
Table 1
Demographic and laboratory data of the participants.
| Case | Age | Gender | Race | BL SCr (mg/dl) | SCr at the time of bx (mg/dl) | Proteinuria | Hematuria | ANA | Monoclonal gammopathy |
| 1 | 84 | F | C | 1.1 | 3.6 | n/a | TNTC | 1 : 640 | SPEP/UPEP negative | 2 | 69 | F | C | 2.3 | 2.8 | 0.6 g/g | 100/HPF | 1 : 640 | Not performed | 3 | 22 | F | C | 1.1 | 1.1 | 0.5 g/g | 1–5/HPF | 1 : 320 | Not performed | 4 | 72 | M | C | 1.0 | 3.1 | 0.4 g/g | n/a | 1 : 320 | Monoclonal IgG lambda, serum | 5 | 36 | F | C | n/a | 2.0 | 1.9 g/g | 6–10/HPF | 1 : 640 | Not performed | 6 | 77 | F | C | 2.0 | 2.2 | 6 g/g | n/a | Neg | Polyclonal IgA, serum, | 7 | 23 | F | C | 0.86 | 0.86 | 4.5 g/24 h | 6–9/HPF | Positive | Serum IF negative | 8 | 77 | M | C | 1 | 1 | 7 g/g | n/a | Positive | Monoclonal IgM kappa, serum | 9 | 62 | M | C | 1.8 | 1.8 | n/a | n/a | n/a | Not performed |
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