Case Report
The First Case of E-Cigarette-Induced Polycythemia
| WBC | 5500 | /μL | Neutrophils | 44 | % | Monocytes | 7.5 | % | Lymphocytes | 46 | % | Eosinophils | 1.5 | % | Basophils | 0.5 | % | Atypical lymphocytes | 0.5 | % | RBC | 705 × 104 | /μL | Hb | 21.8 | g/dL | Ht | 64.8 | % | Ret | 12.9 | ‰ | Plt | 11.1 × 104 | /μL | | | | APTT | 27.2 | sec | PT-INR | 1.06 | | D-dimer | <1.0 | mg/mL | | | | TP | 8.06 | g/dL | Alb | 4.96 | g/dL | T-Bil | 0.9 | mg/dL | AST | 39 | U/L | ALT | 27 | U/L | LDH | 224 | U/L | γ-GTP | 45 | U/L | CK | 65 | U/L | BUN | 12 | mg/dL | Cre | 0.67 | mg/dL | eGFR | 88.5 | mL/min/1.73m2 | Na | 143 | mEq/L | K | 4.1 | mEq/L | Cl | 102 | mEq/L | CRP | 0.12 | mg/dL | Ferritin | 233 | ng/mL | CEA | 3.9 | ng/mL | AFP | 1.5 | ng/mL | CA19-9 | 5.7 | U/mL | Erythropoietin | 11.4 | mIU/mL | IgG | 1382 | mg/dL | IgA | 227 | mg/dL | IgM | 162 | mg/dL | BNP | 24.0 | pg/mL | | | | JAK2 V617F mutation | Negative | |
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