Intracranial venous thrombosis Flashcards

1
Q

Common sites of intracranial venous thrombosis

A

sagittal sinus thromboses
lateral sinus thromboses cavernous sinus thromboses

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2
Q

Clinical features

A

headache (sudden onset)
nausea & vomiting
reduced consciousness

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3
Q

Neuroimaging

A

MRI venography = gold standard
CT venography = alternative

non-contrast CT head normal in 70%

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4
Q

Management of intracranial venous thrombosis

A
  • LMWH
  • warfarin for longer term anticoagulation
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5
Q

How do sagittal sinus thromboses usually present?

A
  • seizures and hemiplegia
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6
Q

Venography finding in sagittal sinus thrombosis

A

parasagittal biparietal or bifrontal haemorrhagic infarctions

‘empty delta sign’ seen on venography

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7
Q

What cranial nerves are affected in lateral sinus thrombosis?

A

6th and 7th cranial nerve palsies

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8
Q
A
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