Table 2

Laboratory results of borrelia tests and interval between onset of symptoms and antibiotic treatment of three patients with Lyme borreliosis associated with intracranial aneurysms

Patient No
Serum antibodies+
Proliferation of PBMCND+ND
CSF antibodies (intrathecally produced)+
Plasma PCR+ (×2)+ (×2)
Brain tissue PCRNDND
Interval between onset of symptoms and treatment for Lyme borreliosis (months)>13512
  • PBMC = peripheral blood mononuclear cells; PCR = polymerase chain reaction; + = positive; − = negative; ND = not done; (×2) = from two specimens obtained and analysed at different times.