Extruded lumbar disc fragment: penetrating the posterior longitudonal ligament

Case contributed by Chris O'Donnell
Diagnosis certain

Presentation

Severe low back pain and bilateral sciatica

Patient Data

Age: 33
Gender: Male

Disc extrusion passing through the posterior longitudonal ligament (arrows), displacing the dura (*).  Note extruded fragment is of slightly higher T2 signal compared with parent disc.

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