superior sagital sinus (superior longitudinal sinus)

Function

• it receives drainage from the superior cerebral veins

Structure

• unpaired venous sinus lined by dura mater

Course

• begins at the foramen caecum & terminating at the confluence of sinuses where it merges with the straight sinus
• it runs parallel to the inferior sagittal sinus;

* images

Pathology

• occlusion of the superior sagittal sinus by a small, midline skull fracture may cause papilledema & headache without focal neurolgic signs

Radiology

• magnetic resonance imaging (MRI) may reveal a midline lesion & magnetic resonance angiography may confirm superior sagittal sinus occlusion.

More general terms

• dural sinus

Additional terms

• dura mater (pachymeninges)