Sinusitis is the inflammation of the tissue lining the sinuses. The sinuses are hollow spaces in the bones around the nose that produce...

Functional Endoscopic Sinus Surgery (FESS) is a procedure that is used to treat sinusitis and other sinus conditions. It involves...

The paranasal sinuses are a group of air-filled spaces located within the bones of the face and skull. These sinuses are connected to the...