“…Dear Editor, We read the publication on "Late-onset congenital syphilis with unusual brain abnormalities" with great interest 1 . The atypical neurological finding and interesting blood and cerebrospinal fluid (CSF) serological findings are reported and Silva et al 1 concluded that this case was a late-onset congenital syphilis. This may or may not be a late-onset congenital syphilis.…”