Table 1 Results of infectious and vasculitic and neoplastic studies performed on patient's first admission
Serum studies | Result (normal range or value) | CSF studies | Result (normal range) |
|---|---|---|---|
Ehrlichia Ab titers | |||
Anaplasma phagocytophilum IgG | <1:64 (<1:64) | Aerobic/anaerobic culture with Gram stain | No organisms seen, no growth at 3 days |
Ehrlichia chaffeensis IgG | <1:64 (<1:64) | ||
Bartonella Ab titers | |||
Bartonella henselae IgG and IgM | <1:128 and <1:20 (<1:128 and <1:20) | Fungal preparation and culture | No fungal elements seen, no fungus recovered at 4 weeks |
Bartonella quintana IgG and IgM | <1:128 and <1:20 (<1:128 and <1:20) | ||
Lyme disease antigen PCR | Negative | AFB culture with smear | No AFB seen, no AFB recovered at 8 weeks. |
RPR | Non-reactive | VDRL | Negative |
Viral hepatitis panel | |||
HA Ab (IgM) | Non-reactive | ||
HBcAb (IgM) and HBsAg | Non-reactive | CMV PCR | Negative |
HC Ab | Non-reactive | ||
LCMV IgG and IgM Ab titer | <1:16 and <1:20 (<1:16 and <1:20) | LCMV IgG and IgM Ab titer | <1:1 and <1:1 (<1:1 and <1:1) |
WNV IgG and IgM Ab | Negative | WNV IgG and IgM Ab | Negative |
Toxoplasma IgG and IgM Ab titer | 36 IU/mL and <0.55 (<4 and <0.55) | WNV PCR | Negative |
Cryptococcal Ag | Negative | Enterovirus PCR | Negative |
ESR (mm/hour) | 9 (0 to 20) | VZV PCR | Negative |
CRP (mg/dL) | 0.2 (<0.5) | ACE (ACE units) | <4 (<4) |
Expanded ANA screen: Abs to dsDNA, chromatin, Sm, RNP, Sm-RNP, Ribosomal protein, SS-A, SS-B, Jo-1, Scl-70, and Centromere B | Negative | ||
Serum protein electrophoresis | No monoclonal bands identified |