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Magnetic resonance (MR) image of the first case. A : Outside T1-weighted sagital view shows mass lesion at L3-4 level. However, rechecked MR image shows mass upmigrated at L2-3 level. B : In T2 axial image, some portion of tumor show cystic change with septum formation. MR myelography showing intradural extramedullary location.
