Table 5. Diagnostic laboratory results.
CSF, cerebrospinal fluid; ANA, anti-nuclear antibody; HLA, human leukocyte antigen; PCR, polymerase chain reaction; rRNA, ribosomal ribonuclear acid; RF Quant, rheumatoid factor quantitative test; IgG, immunoglobulin G; SSA, Sjögren syndrome related antigen A; IgM, immunoglobulin M; WBC, white blood cell; AFB, acid-fast bacillus; SSB, Sjögren’s syndrome related antigen B; VZV, Varicella zoster virus; RBC, red blood cell; c-ANCA, cytoplasmic anti-neutrophil cytoplasmic antibody; p-ANCA, perinuclear anti-neutrophil cytoplasmic antibody; CMV, cytomegalovirus; DNA, deoxyribonucleic acid; Quant, quantitative; MPO, myeloperoxidase; HSV, herpes simplex virus; Ab, antibody; PR3, proteinase 3; EBV, Epstein-Barr virus; HHV-8, human herpesvirus 8; Ag, antigen; VDRL, venereal disease research laboratory test; NA, nuclear antigen; SRP, signal recognition particle; HIV, human immunodeficiency virus
| Serum test | Result | Serum Test | Result | CSF Studies | Result | Left Deltoid Biopsy | Result | |
| ANA | (–) | HLA-B27 | (–) | Glucose | 63 mg/dL | 16S rRNA Bacterial PCR | (–) | |
| RF Quant | (–) | West Nile Virus IgG | (–) | Protein | 73 mg/dL | 16S rRNA Fungal PCR | (–) | |
| Anti-SSA (anti-ro) | (–) | West Nile Virus IgM | (–) | WBC | 2 /mm3 | 16S rRNA AFB PCR | (–) | |
| Anti-SSB (anti-la) | (–) | VZV IgG | (+) | RBC | 0 /mm3 | Gram Stain | (–) | |
| c-ANCA | (–) | VZV IgM | (–) | Color | Clear | Bacterial Culture | (–) | |
| p-ANCA | (–) | VZV PCR | (–) | CMV DNA Quant | (–) | VZV PCR | (–) | |
| Anti-MPO | (–) | HSV PCR | (–) | VZV Total Ab | (–) | HSV PCR | (–) | |
| Anti-PR3 | (–) | EBV PCR | (–) | VZV IgM | (–) | HHV-8 PCR | (–) | |
| Anti-MI-2 | (–) | EBV IgG Capsid | (+) | Cryptococcal Ag | (–) | |||
| Anti-PL-7 | (–) | EBV IgM Capsid | (–) | VDRL | (–) | |||
| Anti-PL-12 | (–) | EBV NA IgG | (+) | Bacterial Culture | (–) | |||
| Anti-EJ | (–) | CMV PCR | (–) | AFB Culture | (–) | |||
| Anti-OJ | (–) | CMV IgM | (–) | Fungal Culture | (–) | |||
| Anti-SRP | (–) | Parvovirus B19 IgG | (+) | VZV PCR | (–) | |||
| Anti-Jo-1 | (–) | Parvovirus B19 IgM | (–) | CMV PCR | (–) | |||
| Anti-KU | (–) | Treponemal Ab | (–) | West Nile Virus PCR | (–) | |||
| Anti-U2 SN RNP | (–) | HIV 1&2 Ab, Ag | (–) | EBV PCR | (–) | |||
| Aldolase | (–) | Bacterial Culture | (–) | HSV PCR | (–) | |||
| Cryoglobulins | (–) | AFB Culture | (–) | |||||