MRI Lumbar spine
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TECHNIQUE: T1 and T2 fat-saturated post-contrast sagittal and axial sequences of the lumbar and sacral spine.
FINDINGS: There are five lumbar type vertebral bodies. Alignment of the lumbar spine is roughly anatomical. There are disc desiccation and height loss throughout. No significant marrow lesion.Shallow annular bulges are seen along with mild facet degenerative changes, but there is no neural compression identified. There is a fluid signal injury seen in the sacral canal without distinct solid component and an enhancing component. This measures up to 47 x 21 mm in transaxial diameter. It displaces the caudal nerve roots anteriorly. It is associated with extensive bony deficiency at the posterior sacrum, and there is a remodelling of the posterior wall of the sacral body.There is no extension into the foramina.
CONCLUSION: Long-standing cystic lesion without solid component.