PMC3212974_01
Spine MRI with Gadolinium. The lesion of the conus medullaris involving the proximal portion of cauda equina nerve roots (a), was hyper-intense on T2-weighted images (b) and showed marked contrast-enhancement (c). Histological examination of the conus medullaris biopsy (d) (Hematoxiline eosin staining).
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T2-weighted images and showed marked contrast-enhancement (Figure 1a-c, white arrows). The histological examination revealed numerous Toxoplasma tachyzoites surrounded by inflammatory cells (Figure 1d).