Table.
The patient's test results upon initial workup
| Test | Result |
|---|---|
| Cerebrospinal fluid | |
| Protein (mg/dL) | 237 |
| Glucose (mg/dL) | 52 |
| White blood cells (per µL) | 975 (62% lymphocytes) |
| Gram stain | Negative |
| HSV PCR (copies/mL) | 540 |
| West Nile virus Ab | Negative |
| VDRL | Negative |
| Other labs | Negative for adenovirus, Epstein-Barr virus, varicella-zoster virus, coxsackie Ab, cytomegalovirus, cryptococcal antigen |
| Blood | |
| White blood cells (per µL) | 14,800 |
| Blood culture | No growth |
| HIV | Negative |
| Rapid plasma reagin | Negative |
| HHV6 PCR | Negative |
| Mycoplasma IgM | Negative |
| Lyme Ab | Negative |
| Monospot | Negative |
| TSH/Folate/B12 | Within normal limits |
| Urine protein electrophoresis | Negative |
| Serum protein electrophoresis | Negative |
| Heavy metal screen | Negative |
| 24-hr urine lead | Negative |
| Imaging | |
| CT scan head | Normal with possible maxillary sinuses |
| MRI brain/spine with contrast | No acute abnormalities |
Ab indicates antibody; CT, computed tomography; HHV6, human herpesvirus 6; HSV, herpes simplex virus; MRI, magnetic resonance imaging; PCR, polymerase chain reaction; TSH, thyroid-stimulating hormone; VDRL, Venereal Disease Research Laboratory test.