Microaerophilic streptococcus meningoencephalitis: report of a case.

A 64-year-old woman who presented with acute meningoencephalitis was reported. Cerebrospinal fluid (CSF) revealed polymorphonuclear pleocytosis with gram-positive cocci. Blood and CSF grew microaerophilic streptococcus. The patient was treated with intravenous penicillin G and chloramphenicol for 2 weeks and recovered without sequela. There was no evidence of any focus of infection prone to the development of this infection.