What causes thrombosis of the cavernous sinus?
Cavernous sinus thrombosis is usually caused by a bacterial infection that spreads from another area of the face or skull. Many cases are the result of an infection of staphylococcal (staph) bacteria, which can cause: sinusitis – an infection of the small cavities behind the cheekbones and forehead.
How quickly does cavernous sinus thrombosis occur?
The symptoms of cavernous sinus thrombosis tend to show up about 5 to 10 days after you develop an infection on your face or in your head. Possible symptoms include: severe headache or facial pain, especially around your eyes.
Which nerve is first affected in a cavernous sinus thrombosis?
Cavernous sinus thrombosis is associated with palsies of cranial nerves III, IV, V and VI, producing loss of corneal reflexes, ophthalmoplegia and hypesthesia over the upper part of the face. Papilledema and visual loss may result from obstruction of retinal venous return.
How is sinus thrombosis diagnosed?
These tests may be used to diagnose venous sinus thrombosis:
- MRI scan.
- CT scan.
- Venography.
- Angiography.
- Ultrasound.
- Blood tests.
What are the chances of getting cavernous sinus thrombosis?
Since cavernous sinus thrombosis comprises approximately 1% to 4% of cerebral venous and sinus thrombosis (CVST), which has an annual incidence of approximately two to four per million people per year, with a higher incidence in children, one can estimate that the annual incidence of cavernous sinus thrombosis might be …
Which space infection causes cavernous sinus thrombosis?
Most commonly the form is of septic cavernous sinus thrombosis. The cause is usually from a spreading infection in the nose, sinuses, ears, or teeth. Staphylococcus aureus and Streptococcus are often the associated bacteria.
What antibiotics treat cavernous sinus thrombosis?
Treatment of Cavernous Sinus Thrombosis Initial antibiotics for patients with cavernous sinus thrombosis include nafcillin or oxacillin 1 to 2 g every 4 to 6 hours combined with a 3rd-generation cephalosporin (eg, ceftriaxone 1 g every 12 hours). In areas where methicillin-resistant S.
Where is the cavernous sinus?
The cavernous sinus is a centrally located cavity situated at the base of the brain next to the temporal bone and sphenoid bone. Its Latin name is sinus cavernosus.
What is sinus thrombosis?
Sinus thrombosis, or venous sinus thrombosis, is a rare type of blood clot found within the dural venous sinuses. The condition is often difficult to diagnose because symptoms vary from person to person depending on the location of the clot.
What is a transverse sinus clot?
transverse sinus venous thrombosis. The symptom of a blood clot forming in the vein that is situated in the area between the brain and the skull behind the right ear. The transverse sinus is one of the major veins that drains the brain and let the blood out. Transverse sinus venous thrombosis is an uncommon but serious disorder.