To the Editor.—
Listeria monocytogenes infection of the CNS typically produces a florid meningitis.1 Although encephalopathic features may occur early in the illness, they are usually accompanied by signs of meningeal irritation and a bacterial meningitis on examination of CSF.
Report of a Case.—
A 51-year-old man with mild diabetes mellitus suffered dysarthria on Oct 1, 1979. Three days later, shaking in his left arm, fever, headache, and vomiting occurred, and he was admitted to another hospital. Examination of his CSF on Oct 8, 1979, had completely normal results. Computed tomography (CT) scan of the brain was normal, and he was transferred to our institution when he continued to have high fever and left-sided seizure activity. At the time of admission, he was intermittently agitated and lethargic, disoriented, but without meningismus. He stuttered and had mild weakness of the left arm. A repeated lumbar puncture on Oct 12 revealed