Table 1 Further workup on presentation
Test | Initial results | Evolution | Normal range |
|---|---|---|---|
Ferritin | >2,000 | >1,500 | 6–159 ng/mL |
C reactive protein | 78 | 80 | 1.0–3.0 mg/dL |
Erythrosedimentation rate | 30 | 50 | <20 mm/h |
Anti-nuclear antibodies | 1:40 with a speckled pattern | Negative | – |
Anti-dsDNA | Negative | Negative | – |
Anti-SSA/SSB (Ro/La) | Negative | Negative | – |
Anti-Sm | Negative | Negative | – |
Anti-RNP | Negative | ||
Anti-Scl70 | Negative | ||
Rheumatoid factor | Negative | Negative | – |
ACPA | Negative | Negative | – |
aCL-IgG, IgM, IgA | Negative | – | |
B-2-glycoprotein IgG, IgM, IgA | Negative | – | |
C3 | 135 | 112 | 88–206 mg/dL |
C4 | 16 | 26 | 13–75 mg/dL |
Urinalysis | Protein 3+; granular cylinders 2+ | Protein 3+; granular and hyaline cylinders | – |
Protein urine test (24 h) | 2,378 | 3,407 | 0–0.15 mg/24 h |