The definition of CRS encompasses symptoms, duration of symptoms and objective findings on examination or imaging. CRS is defined as inflammation of the nose and paranasal sinuses characterized by ...

What is Nasal Polyp Surgery? Nasal polyp surgery removes polyps from the paranasal sinuses. These polyps are growths found in the sinus areas, including the maxillary, ethmoid, frontal ...

Head and neck cancer comprises a group of biologically similar cancers that start in the lip, oral cavity (mouth), nasal cavity (inside the nose), paranasal sinuses, pharynx and larynx.