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Cavernous sinus thrombosis

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Introduction
Cavernous sinus thrombosis is a rare and life-threatening condition in which a blood clot develops in the cavernous sinuses.
Symptoms of cavernous sinus thrombosis
The most common initial symptom of a cavernous sinus thrombosis is a headache.
Causes of cavernous sinus thrombosis
Cavernous sinus thrombosis is usually caused by a bacterial infection that spreads from another area of the head.
Treating cavernous sinus thrombosis
Cavernous sinus thrombosis is a serious condition that needs to be treated in hospital.
Complications of cavernous sinus thrombosis
About one in three people with cavernous sinus thrombosis die, and many people who survive it go on to develop further problems.