Can acute sinusitis (sinus infection) cause intracranial complications?

Updated: Mar 01, 2018
  • Author: Itzhak Brook, MD, MSc; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Intracranial complications may occur as a result of direct extension through the posterior frontal sinus wall or through retrograde thrombophlebitis of the ophthalmic veins. Subdural abscess is the most common intracranial complication, although cerebral abscesses and infarction that result in seizures, focal neurological deficits, and coma may occur.


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