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At T9/T10, on the left side of the cord, displacing the cord slightly towards the right, without appreciable cord signal abnormality is a lesion is of markedly low signal on T2, low signal on T1 (lower than the adjacent cord), and enhancement at its periphery, which is somewhat ill-defined.
On axial imaging the lesion can be seen occupying the left T9/T10 neural exit foramen. It is difficult to determine whether this lesion is intra or extra-thecal in location although based on axial imaging I favour the latter.
Best appreciated on sagittal T2-weighted imaging the central non-enhancing hypointense component is in close proximity to, and possibly continuous with the T9/T10 disc.
Conclusion: Left sided T9/T10 lesion has appearances that favour an extruded disc with surrounding reactive inflammatory enhancement, despite the relatively normal adjacent disc. The main differential is that of a meningioma with central calcification. This should be readily apparent on CT.