Case Report
Recurrent Thrombotic Vasculopathy in a Former Cocaine User
Table 1
Laboratory workup.
| Labs (reference normal range) | Year 2011 | Year 2015 (Jan.) |
| WBC (4.8–10.8 k/μL) | 1.9 | 5.9 |
| ANC (1.5–8 k/μL) | 0.6 | 4.6 |
| B2 microglobulin (0.8–2.2 mg/L) | | 1.3 |
| Myeloperoxidase MPO (P-ANCA) (<1.0) | <1 | <0.1 |
| Proteinase PR3 (C-ANCA) (<1.0) | 18 | 1.2 |
| C3 level (90–150 mg/dL) | | 91 |
| C4 level (16–47 mg/dL) | | <7 |
| ESR (0–30 mm/hr) | 34 | 60 |
| CRP (≤5.5 mg/L) | | 166 |
| ANA | Negative | Negative |
| Neutrophil Ab | Detected | |
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