Tarlov cyst - large

Case contributed by Dr Domenico Nicoletti

Presentation

Low back pain.

Patient Data

Age: 55 years
Gender: Female
MRI

Voluminous perineural cyst occupying the spinal canal from L5 to S3-S4 with diameters of 8 x 3 cm, with completely liquid content. Significant bony remodelling of the sacrum secondary to mass effect. The medullary cone and the cauda equina are normal.

Case Discussion

A Tarlov cyst is a dilatation of the subarachnoid space surrounding a spinal nerve root. Most patients are asymptomatic with no demonstrable need for care.

Tarlov cysts are most frequently found at the S2 level, and bone remodelling is a common feature of large cysts.

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Case information

rID: 71492
Published: 8th Oct 2019
Last edited: 25th Jan 2020
Inclusion in quiz mode: Included

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