Abstract
Cerebral venous thrombosis is an uncommon and serious complication of contraceptive medication, which often masquerades as a simple headache. The clinical picture is often confusing and imaging is critical to the diagnosis of this disorder. This case report illustrates a case of dural venous thrombosis and a review of the radiological features of cerebral venous thrombosis.
Highlights
Venous sinus thrombosis is a rare event and may have an insidious onset and late sequelae in contradistinction to cavernous sinus thrombosis associated with infection and florid signs
As the empyema may be restricted to one side or another of the falx, so the neurological deficit may be unilateral before rapid deterioration as the whole superior sagittal sinus becomes involved
The evaluation of a patient on contraceptive medication, who complains of worsening headaches, requires exclusion of CVT2 by computed tomography or magnetic resonance imaging
Summary
Venous sinus thrombosis is a rare event and may have an insidious onset and late sequelae in contradistinction to cavernous sinus thrombosis associated with infection and florid signs. Thrombosis involving the dural sinuses is due to three causes: those from changes in blood flow, changes in the vessel wall, or blood abnormalities. Changes in flow and vessel wall are seen in depressed fractures about the midline of the vault. Operative interhemispheric (e.g. transcallosal) procedures near the superior sagittal sinus may produce local trauma and stasis. Another entity is the vasculitis of Behcet's disease. Visual field disturbances or blindness may occur with occlusion of the posterior third of the sinus rapidly followed by decreasing level of consciousness. A case of cerebral venous thrombosis follo\Ni ng the use of contraceptive medication frompage[33] meningism and decreased level of consciousness. Venous thrombosis followed by infarction may be seen in neglected cases. As the empyema may be restricted to one side or another of the falx, so the neurological deficit may be unilateral before rapid deterioration as the whole superior sagittal sinus becomes involved
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