Table 3.
Clinical and laboratory findings in non-LNB patients with no pleocytosis but with elevated CXCL13 in CSF
| Patient no | Diagnosis | Duration of symptoms | CXCL13 (pg/mL) | Serum antibodies IgM/IgG | Observed tick bite | EM |
|---|---|---|---|---|---|---|
| 1 | Idiopathic facial nerve palsy | 1–2 weeks | 161 | −/+ | Yes | No |
| 2 | Idiopathic facial nerve palsy | 1–2 days | 236 | −/− | No | No |
| 3 | Headache (unspecified) | Unknown | 237 | −/− | Yes | No |
| 4 | Idiopathic facial nerve palsy | 3–6 days | 330 | −/− | Yes | No |
| 5 | Impaired hearing | > 2 months | 424 | −/− | Yes | Yes |
| 6 | Idiopathic facial nerve palsy | 1–2 weeks | 446 | −/− | No | No |
| 7 | Headache (unspecified) | > 2 months | 646 | −/− | No | No |
LNB, Lyme neuroborreliosis; CSF, cerebrospinal fluid; IgM, immunoglobulin M; IgG, immunoglobulin G; elevated CXCL13 > 160 pg/mL