PMC4352649_01
Sagittal T1-postgadolinium contrast enhancement magnetic resonance imaging suggestive of two heterogeneously contrast enhancing intra-dural, extramedullary lesions at D11-L2 and S1-S2 spinal levels (arrows)
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F1
They were hypointense on T1weighted, hyperintense on T2-weighted images with intense, heterogenous postcontrast enhancement [Figure 1].
(a) Microphotograph of H and E section showing highly cellular tumor with focal endothelial proliferation along with small focus of necrosis (arrow) (H and E, x100). (b) Microphotograph of H and E section showing highly cellular tumor with pleomorphic cells and small foci of necrosis (arrow) (H and E, x100)
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F2
E, x100) [Figure 2] showed a highly cellular astrocytic tumor with frequent mitosis, necrosis and hyperchromatic pleomorphic tumor cells. Endothelial cell proliferation and necrosis were also noted.