These represent one of the common type of arachnoid cyst.
They arise from the posterior rootlet (S2 and S3 most common) and form a dilated nerve root sleeve as a normal variant.
They can cause sacral erosion and may communicate with the thecal sac.
Showing posts with label TARLOV CYST. Show all posts
Showing posts with label TARLOV CYST. Show all posts
Monday, July 28, 2008
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