1(E): Intracranial Venous Thrombosis Flashcards
What is intracranial venous thrombosis also called
Central venous sinus thrombosis
How does intracranial venous thrombosis compare to arterial
Less common
In which gender is intracranial venous thrombosis more common
Females (3:1)
Why is intracranial venous thrombosis more common in women
COCP
HRT
In which age group does intracranial venous thrombosis tend to occur
Under 40’s
What causes intracranial venous thrombosis
- High coagulable states
- Head Injury
- Malignancy
- LP
- Infection
- Vasculitis
- IBD
What intracranial venous thrombosis does otitis media cause
Inferior petrosal
What intracranial venous thrombosis does folliculitis cause
Cavernous
What intracranial venous thrombosis does sinusitus cause
Cavernous
What factors increase risk of intracranial venous thrombosis
Hyper-coagulable state
Name 5 factors that cause hyper coagulable state
COCP HRT Factor V Leiden Pregnancy Antiphospholipid syndrome
Where is dural venous sinus thrombosis more common
Saggital sinus (50%)
If in the sagittal sinus how symptoms present
Raised ICP:
- Vomitting
- Papilloedema
- Seizures
- Headache
If in the transverse sinus how symptoms present
Headache
MASTOID PAIN
Seizures
Focal CNS Signs
If in the sigmoid sinus how symptoms present
Cerebellar Signs