Case Report
A Nonseminomatous Germ Cell Tumor Presenting as a Mixed Cryoglobulinemic Vasculitis
| Variable | 3 months before evaluation | On hospital admission | 4 months after admission | 7 months after admission | Reference range |
| Hemoglobin (g/dL) | 15 | 18.2 | 17.2 | 16.7 | 13-1-18.1 | White cell count (per mm3) | 6.2 | 4.1 | 11 | 10.5 | 3.9-10.1 | Platelet count (per mm3) | 174 | 172 | 158 | 170 | 147-402 | Creatinine (mg/dL) | 1.1 | 0.94 | 1.08 | 1.08 | | C3 complement (mg/dL) | 122 | 145.8 | 182 | | 87-200 | C4 complement (mg/dL) | 9.5 | 16.7 | 22 | 32 | 19-52 | Rheumatoid factor (UI/mL) | 17 | | 7.9 | <10 | 0-14 | Cryoglobulins (%) | — | 6% | 0% | 2% | ≤1 | Hepatitis B surface antigen | | Negative | | | Negative | Hepatitis C antibody | | Negative | | | Negative | Erythrocyte sedimentation rate (mm/Hr) | | 4 | | | 2-30 | C-reactive protein (mg/L) | 98 | 33 | 12 | | <10 | LDH (U/L) | | 269 | 182 | 210 | 140-271 | MPO (U/mL) | | 1.3 | 1.2 | — | ≤2.0 | PR3 (U/mL) | | 2 | 2 | — | ≤2.0 | ANA | | Negative | | | ≤1 : 20 | ANCA | | 1 : 20 | | | ≤1 : 20 | Anti-SM | | <1 | | | <1 | Anti-dsDNA | | <1 | | | <1 | Anti-SSA (U/mL) | | 6.4 | | | ≤9.1 | Anti-SSB (U/mL) | | 5.3 | | | ≤7.0 | Beta-hCG (mUI/mL) | 933 | 2764 | 5764 | 7825 | 0.5-2.67 | Alpha-fetoprotein (ng/mL) | 1.28 | 1.36 | 1.96 | 1.47 | 0-9 | CA 19-9 | 8 | | | | <34 | CEA (ng/mL) | 1.43 | | | | <9 | Proteinuria (mg/day) | 606 | 311 | | | <150 |
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ANA: antinuclear antibody by indirect immunofluorescence; ANCA: antineutrophil cytoplasmic antibodies; Anti-dsDNA: antidouble stranded DNA; CA 19-9: carbohydrate antigen 19-9; CEA: carcinoembryonic antigen; beta-hCG: beta-human chorionic gonadotropin; LDH: lactate dehydrogenase; PR3: proteinase 3; MPO: myeloperoxidase.
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