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Abstract
The magnetic resonance imaging (MRI) of the brain showed an abscess [Figure 1]a. His white blood count including lymphocytes with differentials was normal, and blood cultures were negative. {Table 1} The portal of entry for the organism is likely to be the cut, he sustained while swimming. [...]it is postulated that antigen-specific T-cells and macrophages of the immunocompetent host cleared the peripheral foci, whereas any organism that successfully invades the brain is relatively protected from...