PMC3144596_01
PMC3144596_02
MRI (sagittal T1-weighted image with gadolinium) of patient #2 showing an intradural mass at L2-L3
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F1
MRI showed an intradural mass at L2-L3, roughly circular, with a diameter of 2 cm and with strong but inhomogeneous gadolinium enhancement [Figure 1].
PMC3144596_03
MRI of patient #3 showing an intradural mass at L4. (a) Sagittal T2-weighted image, (b) sagittal T1-weighted image with gadolinium, (c) axial T1-weighted image with gadolinium
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F2
MRI showed an intradural mass at L4, with a diameter of 1.5 cm, circular with somewhat irregular margins, moderate enhancement, and clearly located centrally in the dural sac [Figure 2].
Intraoperative images of cauda equina paragangliomas (patient #3). (a) cauda equina paragangliomas after opening of dural sac; (b) cauda equina paragangliomas; (c) removal of cauda equina paragangliomas; and (d) cauda equina paragangliomas after resection
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F3
A total resection of the tumor was performed [Figures 3 and 4].
Histology. (a) HandE stain, showing the typical nesting (zellballen) pattern of the large polygonal cells, (b) strong synaptophysin expression in the tumor cells
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F4
A total resection of the tumor was performed [Figures 3 and 4].