Arachnoid cyst - spinal

Case contributed by Dr Ammar Haouimi


Weakness of the lower limbs. No past history of trauma, surgery or lumbar puncture.

Patient Data

Age: 30 years
Gender: Male

There is a fusiform intradural extramedullary CSF intensity cystic lesion of posterior location from T12 to L3 level, extending to the neural foramina bilaterally at L1-L2 and L2-L3 levels, compressing and displacing the conus medullaris anteriorly.

Case Discussion

The patient went on to have a resection and the histopathological study confirmed the diagnosis of an arachnoid cyst.

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Case information

rID: 66835
Published: 10th Mar 2019
Last edited: 14th Aug 2019
System: Spine
Inclusion in quiz mode: Included
Institution: Aurès Medical Imaging Center - Batna Algeria

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