Table 1.
Summary of laboratory findings.
| Blood and serum | |
|---|---|
| Autoimmunity and inflammation | |
| Anti-ds-DNA | negative |
| ANA screening | negative |
| Anti-MPO and anti-PR3 | negative |
| Anti-phospholipid antibodies | negative |
| Angiotensin converting enzyme | 29 U/L (N: 8–52 U/L) |
| ESR | 29 mm (N: <10 mm) |
| Anti-MOG | positive (titer 1:20), CBA |
| Anti-AQP4 | negative |
| Infections | |
| Anti-SARS-CoV-2 (S1-RBD) | IgG and IgM positive |
| Anti-SARS-CoV-2 (S1-RBD Ig) | >250 U/mL |
| HIV 1/2 | negative |
| HSV 1 and 2 | IgG and IgM negative |
| HTLV I/II | negative |
| CMV | IgG and IgM negative |
| EBV | IgG, IgM, EBNA negative |
| Chlamydia pneumoniae | IgG positive, IgA negative |
| Mycoplasma pneumoniae | IgG and IgM negative |
| Borrelia burgdorferi. | IgG and IgM negative |
| Brucella spp. | negative |
| Treponema pallidum | non-reactive |
| Cerebrospinal fluid | |
|---|---|
| Cells | 168/mm3 (mononuclear) |
| Proteins | 85 mg/dL |
| Glucose | 56 mg/dL |
| Oligoclonal bands | present in mirror pattern |
| PCR SARS-CoV-2 | negative |
| Anti-SARS-CoV-2 (S1-RBD) | IgG positive (1.68 U/mL), IgM negative |
| PCR multiple array* | negative |
| Cultures (bacterial, fungal, mycobacterial) | negative |
Notes: * Array including PCR for E. coli K1, H. influenzae, L. monocytogenes, N. meningitidis, S. agalactiae, S. pneumoniae, CMV, enterovirus, HSV 1, HSV 2, HHV6, VZV, human parechovirus, and cryptococcus neoformans. ANA – antinuclear antibodies; AQP4 - Aquaporin-4; CBA – cell-based assay; CMV – cytomegalovirus; EBV – Epstein-Barr vírus; ESR – erythrocyte sedimentation rate; HIV - human immunodeficiency virus; HSV – herpes simplex virus; HTLV - human T-lymphotropic vírus; MOG - myelin oligodendrocyte glycoprotein; N – normal range/value; PCR – polymerase chain reaction; SARS-CoV-2 - severe acute respiratory syndrome coronavirus 2.