CT
High density within the superior and inferior sagittal sinus, straight sinus and both transverse sinuses, in keeping with extensive dural venous sinus thrombosis. Small focus of acute intraparenchymal haemorrhage in the left superior temporal gyrus white matter. The grey-white matter differentiation is well preserved with no definite evidence of ischaemic changes.
No evidence of hydrocephalus, mass effect or midline shift.
The optic nerve sheaths appear distended in keeping with raised intracranial pressure.