Table 1.
Cerebrospinal fluid (CSF) study result
| Parameters | Results |
|---|---|
| Opening pressure (10–18 cm of H2O) | 12 cm of H2O |
| Color | Clear |
| Cells | o/mm3 |
| Gram stain and culture | Negative |
| Glucose (40–70 mg/dL) | 72 mg/dL |
| Protein (15–45 mg/dL) | 60 mg/dL |
| VDRL test | Non-reactive |
| HSV 1–2 by PCR | Negative |
| CMV IgM | Negative |
| B. burgdorferi IgGM and IgG | Negative |
| VZV by PCR | Negative |
| EBV by PCR | Negative |
| Paraneoplastic Autoantibodies Panel | |
| ANNA-1/anti-Hu | Negative at <1:2 |
| ANNA-2/anti-Ri | Negative at <1:2 |
| ANNA-3 | Negative at <1:2 |
| AGNA-1 | Negative at <1:2 |
| PCA-1/anti-Yo | Negative at <1:2 |
| Amphiphysin Ab | Negative at <1:2 |
| CRMP-5-IgG/anti-CV2 | Negative at <1:2 |
| PNMA-2/Ma2/Ta | Negative at <1:2 |
| Recoverin | Negative at <1:2 |
| SOX-1 | Negative at <1:2 |
| Titin | Negative at <1:2 |
| Zic4 | Negative at <1:2 |
| Tr (DNER) | Negative at <1:2 |
| GAD65 | Negative at <1:2 |
| Autoimmune Encephalitis Panel | |
| NMDAR | Negative |
| AMPA-1 | Negative |
| AMPA-2 | Negative |
| CASPR-2 | Negative |
| GABAR-B1/B2 | Negative |
| LGI-1 | Negative |
| SARS-CoV-2 (2019-nCoV RNA) PCR | Negative |
| Oligoclonal bands (OCBs) | Tip 2 (21 bands positive) |
| IgG Index (<0.77) | 0.4668 |
| IgG (0–34 mg/L) | 47 |
| Anti-ganglioside Panel | |
| GM1, GM2, GM3 | Negative |
| GD1a, GD1b | Negative |
| GT1b | Negative |
| GQ1b | Negative |
AMPA: Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor; ANNA: Antineuronal nuclear antibody; CASPR2: Contactin-associated protein-like 2; CMV: Cytomegalovirus; CRMP: Collapsin response mediator protein; DNER: Delta/notch-like epidermal growth factor-related receptor; EBV: Epstein Barr Virus; GABAR: Gamma aminobutyric acid receptor; GAD65: Glutamic Acid Decarboxylase; GM: Ganglioside-monosialic acid; HSV: Herpes Simplex Virus; LGI-1: Leucine rich glioma inactivated-1; NMDAR: N-methyl D-aspartate receptor; PCA: Purkinje cell cytoplasmic antibody; PNMA: Paraneoplastic Ma antigen; VZV: Varicella Zoster Virus.