Our experience suggests that patients with neurological symptoms and signs attributable to STSCH may not progress and therefore may be followed with clinical and magnetic resonance imaging surveillance. When surgery is indicated for progressive STSCH, late retethering may occur.

These quantitative data will be useful to the neurosurgeon who operates in the region of the marginal sinus.

Through an increased appreciation for its location, injury to the thoracic duct may be minimized.

No abstract