Causes of Meningitis with a High CSF Lymphocyte Count.*
Viral meningitis Partially treated pyogenic bacterial meningitis Other bacterial infections – tuberculosis (Appendix 68.1), leptospirosis, brucellosis, syphilis, listeriosis Fungal (cryptococcal) infection (Appendix 68.2) Parameningeal infection – brain abscess or subdural empyema Neoplastic infiltration |
Viral encephalitis (Chapter 69) may give a similar CSF picture.