Case Report
Aseptic Meningitis Caused by Lassa Virus: Case Series Report
Table 1
Laboratory parameters for the 4 cases.
| | Laboratory parameter | Case 1 | Case 2 | Case 3 | Case 4 |
| | CSF appearance | Clear | Clear | Clear | Clear | | CSF protein (mg/dL) | 47 | 59 | 78 | 22 | | CSF glucose (mg/dL) | 39 | 27 | 23 | 32 | | CSF WBC (× 109/L) | 0.1 | 0.3 | 0.4 | 0.076 | | CSF lymphocyte count | 85% | 71% | 85% | ND | | Gram stain | No organism seen | No organism seen | No organism seen | No organism seen | | CSF culture (bacteria) | No growth | No growth | No growth | No growth | | Random serum glucose (mg/dL) | 92 | 92 | 127 | 74 | | Serum Lassa RT-PCR | Positive | Positive | Positive | Positive | | PCV (%) | 38 | 38 | 23 | 38 | | WBC (× 109/L) | 5.7 | 5.8 | 10.2 | 5.5 | | Platelet (× 109/L) | NA | Adequate | 294 | 122 | | ESR (mm/hr) | 100 | 20 | NA | 50 | | Urinalysis | NAD | NAD | Blood and protein | Blood and protein | | AST (IU/L) | NA | NA | 23 | 22 | | ALT (IU/L) | NA | NA | 12 | 8 | | Alkaline phosphatase (IU/L) | NA | NA | 38 | 32 | | Total bilirubin (mg/dL) | NA | NA | 0.8 | 0.5 |
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NA: not available. NAD: no abnormality detected. ND: not done. WBC: white blood cell count: normal range: 3.4–9.06 × 109/L. Platelet count: normal range: 165–415 × 109/L. AST: aspartate aminotransferase: normal range: 12–38 IU/L. ALT: alanine aminotransferase: normal range: 7–41 IU/L. Alkaline phosphatase: normal range: 40–100 IU/L. ESR (mm/hr): erythrocyte sedimentation rate: normal range: 0–15 (male); 0–20 (female). CSF protein: normal range: 15–50 mg/dL. CSF glucose: normal range: 40–70 mg/dL. CSF cells: normal: ≤0.005 (all mononuclear) cells × 109/L.
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