Cauda equina syndrome from lumbar disc bulge

Case contributed by Dr Ahmed Almuslim

Presentation

Lower limb weakness.

Modality: MRI

Disc herniation and congenital spinal canal stenosis are compressing the cauda equina nerve roots. The heterogeneous signal cranial to the level of compression is due to oedematous thickening of the nerves. At the L3/L4 level ligamentum flavum hypertrophy exaggerates the narrowing. The CSF signal is almost completely obliterated.

Case Discussion

The cauda equina is compressed by disc herniation and ligamentum flavum hypertrophy at the level of L3/4. There is a background of congenital canal stenosis. This represents one of the many causes of cauda equina syndrome.

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Case Information

rID: 6754
Case created: 16th Aug 2009
Last edited: 19th Oct 2016
Inclusion in quiz mode: Included

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