Spinal myxopapillary ependymoma

Case contributed by Dr Ammar Haouimi

Presentation

Low back pain.

Patient Data

Age: 40 years
Gender: Male

Small well-defined ovoid intradural extramedullary lesion at the level of the L1-L2, compressing and displacing the cauda equina nerve roots. It elicits an iso-to slight high signal to the spinal cord on T1, inhomogeneous high signal on T2 and STIR with moderate heterogeneous enhancement on postcontrast sequences.

Moderate disc bulge at L3-L4 and L4-L5 with small subarticular disc herniation at L5-S1. 

Case Discussion

MRI features of a small well-circumscribed intradural extramedullary lesion, pathologically proven myxopapillary ependymoma.

Myxopapillary ependymoma is considered a variant type of ependymoma, and the most common tumors of the cauda equina and/or conus medullaris region.

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