PMC8500762_01
CT brain image obtained in the emergency department indicating a diffuse cerebral edema consistent with meningoencephalitis.
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fig1
Initial computed tomography scan of the brain showed diffuse cerebral edema (Figure 1).
(a) Cerebrospinal fluid cultures revealed beta-hemolytic streptococci that could be identified as S. equi spp. zooepidemicus. (b) Gram staining of the cerebrospinal fluid culture showing gram-positive cocci.
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fig2
CSF cultures confirmed beta-hemolytic, gram-positive streptococci (Figure 2) which were positive for Lancefield group C that could subsequently be identified as S. equi subsp. zooepidemicus by mass spectrometry due to MALDI-TOF MS (Bruker ) using the MBT