CD40LG and syphilis: The CSF was almost acellular(6/mm3) with elevated protein 1.237 g/L, normal glucose, and tests for syphilis were positive for non-treponeal(Syphilis Toluidine Red Untreated Serum Test, TRUST reactive in 1:2 dilutions) and reactive in specific Treponema Pallidum particle agglutination and Treponema enzyme-linked immunosobent assays(IgG positive, IgM negative).