
The labelled structures are (excluding the correct side):
middle part of the superior sagittal sinus
superficial (superior) cerebral vein
posterior part of the superior sagittal sinus
inferior sagittal sinus
anterior part of the superior sagittal sinus
internal cerebral vein
internal cerebral vein
great cerebral vein (of Galen)
basal vein (of Rosenthal)
straight sinus
basal vein (of Rosenthal)
sphenoparietal sinus
cavernous sinus
confluence os the sinuses (torcula)
transverse sinus
occipital sinus
pterygoid venous plexus
sigmoid sinus
inferior petrosal sinus
maxillary vein
internal jugular vein
cervical segment of the internal carotid artery

The same normal brain CTV without labels for reference.
Case Discussion
The labelled structures are (excluding the correct side):
middle part of the superior sagittal sinus
superficial (superior) cerebral vein
posterior part of the superior sagittal sinus
inferior sagittal sinus
anterior part of the superior sagittal sinus
internal cerebral vein
internal cerebral vein
great cerebral vein (of Galen)
basal vein (of Rosenthal)
straight sinus
basal vein (of Rosenthal)
sphenoparietal sinus
cavernous sinus
confluence os the sinuses (torcula)
transverse sinus
occipital sinus
pterygoid venous plexus
sigmoid sinus
inferior petrosal sinus
maxillary vein
internal jugular vein
cervical segment of the internal carotid artery