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Cavernous sinus thrombosis

Definition

Cavernous sinus thrombosis is a in an area at the base of the brain.

Causes

The cavernous sinus is a structure inside the head that receives blood from veins of the face and brain. The blood drains it into other blood vessels that carry it back to the heart. This area also contains nerves that control vision and eye movements.

Cavernous sinus thrombosis is most often 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 develop this condition if you have an increased risk of blood clots.

Symptoms

Symptoms include:

  • Bulging eyeball, usually on one side of face
  • Cannot move the eye in a particular direction
  • Vision loss

    • Exams and Tests

    Tests that may be ordered include:

  • Magnetic resonance venogram
  • Sinus x-ray

    • Treatment

    Cavernous sinus thrombosis is treated with high-dose antibiotics given through a vein () if an infection is the cause.

    Blood thinners help dissolve the blood clot and prevent it from getting worse or recurring.

    Surgery is sometimes needed to drain the infection.

    Outlook (Prognosis)

    Cavernous sinus thrombosis can lead to death if left untreated.

    When to Contact a Medical Professional

    Contact your health care provider right away if you have:

  • Bulging eyes
  • Drooping eyelids
  • Eye pain
  • Inability to move your eye in any particular direction
  • Vision loss

    • References

    Chow AW. Infections of the oral cavity, neck, and head. In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 64.

    Markiewicz MR, Han MD, Miloro M. Complex odontogenic infections. In: Hupp JR, Ellis E, Tucker MR, eds. Contemporary Oral and Maxillofacial Surgery. 7th ed. Philadelphia, PA: Elsevier; 2019:chap 17.

    Nath A, Berger JR. Brain abscess and parameningeal infections. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 382.

    Schedule An Appointment

    Contact Atlanta Obsetrics and Gynaecology at The Womens Center Millennium Hospital - 404-ATL-BABY

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    Review Date: 3/31/2024

    Reviewed By: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.