PMC3114370_01
Head CT without contrast, day of admission
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F1
Diagnostic studies on admission included omputerized tomography (CT) of the head without contrast[Figure 1] and magnetic resonance imaging (MRI) with and without contrast [Figures 2 and 3].
Axial FLAIR MRI, day of admission
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F2
Diagnostic studies on admission included omputerized tomography (CT) of the head without contrast[Figure 1] and magnetic resonance imaging (MRI) with and without contrast [Figures 2 and 3].
T1 axial MRI with contrast, day of admission
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F3
Diagnostic studies on admission included omputerized tomography (CT) of the head without contrast[Figure 1] and magnetic resonance imaging (MRI) with and without contrast [Figures 2 and 3].
Head CT with contrast, hospital day 4
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F4
A repeat head CT was performed[Figure 4] revealing increase in cerebral edema with mass effect and shift.
Edematous brain parenchyma with inflammation, infarction, and reactive astrocytes. Within the necrotic tissue and perivascular areas are polygonal structures with bright red intracytoplasmic structures consistent with amoeba (arrows) (H and E, x400)
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F5
Pathology eventually showed ameba, that is, GAE[Figure 5].