Cauda equina compression from disc extrusion

Case contributed by RMH Core Conditions


Right sided sciatica. New onset left sided weakness and parathesia. Altered para-anal sensation and urinary retention.

Patient Data

Age: 38
Gender: Female

The conus and lower thoracic cord are normal.

L4/5 large extruded disc occupying almost all of the cross sectional area of the canal at this level. Severe cauda equina compression.

No foraminal extension. L5/S1 and L3/4 disks dessicated, but no significant canal stenosis or nerve root compression.


Very large L4/5 disc extrusion with marked cauda equina compression.

Case Discussion

Patient proceeded to theater for discectomy. 

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Case information

rID: 34110
Published: 5th Feb 2015
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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