Sinuses are air-filled sacs (empty spaces) on either side of the nasal cavity that filter and clean the air breathed through the nose and lighten the bones of the skull. There are four paired sinuses ...
Oruckaptan HH, Akdemir P, Ozgen T . Isolated sphenoidal sinus abscess: clinical and radiological failure in preoperative diagnosis. Case report and review of the literature. Surg Neurol 2000;53:174–7.
The sinuses are four hollow spaces on both sides of your face and head. They're connected by narrow channels that allow air and fluids to flow between your nose and throat. If you have inflammation in ...
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