Venous sinus thrombosis Flashcards
1
Q
Feature of venous sinus thrombosis on head CT ?
A
empty delta sign (filling defect) - hyper density in the superior sagittal sinus
2
Q
how is venous sinus thrombosis managed ?
A
dress risk factors
LMWH i.e. dalteparin
3
Q
how might a sagittal sinus thrombosis present ?
A
may present with seizures and hemiplegia
4
Q
how might a cavernous sinus thrombosis present ?
A
periorbital oedema
chemosis
exophthalmos
trigeminal nerve involvement = paraesthesia of upper face and eye pain
central retinal vein thrombosis = vision loss
5
Q
how might a lateral sinus thrombosis present ?
A
CN VI and VII nerve palsies
