Table 2.

List of differential diagnostics investigated

	Results
Serum markers	Results
Treponema pallidum hemagglutination assay	Negative
Anti-nuclear antibodies, anti-dsDNA	Negative
Homocystein and Vitamine B12	Normal
Anti-HIV antibody	Negative
Tumour markers (CEA, CA 15–3, CA 125, CA 19–9, cyfra 21–1)	Negative
Neuronal antibodies (anti-Yo, anti-Hu, anti-Ri, anti-Amphiphysin, anti-Ma2, anti-CV2)	Negative
Anti-NMO (anti-aquaporin 4 antibody)	Negative
Anti-NMDA receptor antibody	Negative
Anti-VGKC antibody	Negative
CSF and serum markers
Oligoclonal band	Negative
CSF markers
RT-PCR panel for HSV-1, HSV-2, Influenza, VZV, HHV-6	Negative
Serology for Cysticercus cellulosae, Toxocara canis, Strongyloides stercoralis, Gnathostoma spinigerum, Angiostrongylus cantonensis	Negative

CSF, cerebrospinal fluid; RT-PCR, real-time PCR.