MRI Lumbar spine:
In spinal canal, there is an intra dural single well circumscribed ovoid mass below conus among the nerve roots of cauda equina at the level of L2-3 disc, iso intense to cord on T1 and slightly hyper intense to cord on T2w images.
Not extending out of neural foramen.
Nerve roots of cauda equina displaced on either side of the lesion and compressed by the side of mass.
No marked remodelling of bony spinal canal.
Imaging wise possible DDs: Nerve sheath tumor > Meningioma.
Histopathology: Nerve sheath tumor - Schwannoma.
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