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Figure 1. Multiple Brain Abscesses.
Both images are computed tomographic scans (with contrast) of the head of an eight-year-old boy with a 10-day history of headaches, vomiting, fever, altered mental status, and frontal-lobe signs. More than 30 ring-enhancing lesions are present. The precontrast study showed only one low-density lesion in the left thalamus. The abscesses resolved completely after antibiotic therapy, although the left thalamic lesion grew larger during the first 10 days. Initially, treatment consisted of nafcillin and chloramphenicol; nafcillin was replaced by penicillin G after one week. Extensive studies failed to uncover the source or type of infection.
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