• Streptococcus bovis was isolated from the CSF of a 66-year-old man with meningitis. His clinical appearance was unusual in that he lacked typical signs and symptoms of pyogenic meningitis. Streptococcus bovis was also recovered from his blood, which suggested that bacterial endocarditis was the source of his CNS infection. He was cured after four weeks of therapy with intravenous penicillin G potassium. This is the fourth reported case of meningitis caused by S bovis. The previous three patients also had endocarditis caused by S bovis. Because of the reported propensity of S bovis to infect heart valves and the frequent association of S bovis bacteremia with malignant gastrointestinal (GI) tract tumors, recovery of this organism from CSF should prompt a search for bacterial endocarditis and occult GI cancer.
Gavryck WA, Sattler FR. Meningitis Caused by Streptococcus bovis. Arch Neurol. 1982;39(5):307–308. doi:10.1001/archneur.1982.00510170049014
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