Cavernous sinus thrombosis Cavernous sinus thrombosis is a blood
clot in an area at the base of the brain that contains a vein,
which carries blood from the brain to the heart. This area is
called the cavernous sinus. Causes, incidence, and risk factors
Cavernous sinus thrombosis is usually caused by a bacterial
infection that has spread from the sinuses, teeth, ears, eyes,
nose, or skin of the face. You are more likely to get this
condition if you have an increased risk of blood clots. Signs
and tests Tests that may be ordered include: Cavernous sinus
thrombosis is treated with high-dose antibiotics given through a
vein (IV). Sometimes surgery is needed to drain the infection.
Cavernous sinus thrombosis can be deadly if left untreated.
Calling your health care provider Call your doctor right away if
you have: Nath A, Berger J. Brain abscess and parameningeal
infection.In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th
ed. Philadelphia, PA:Saunders Elsevier; 2011:chap 421. David C.
Dugdale, III, MD, Profess