The top portion of the nose — the nasal root — connects your nose to your forehead. The bottom of the nose is also called the “apex” and is where you find nostril openings. Outer structure.

These are signs of paranasal sinus and nasal cavity cancer: A lump or sore inside the nose that does not heal; A lump on the face or roof of the mouth; Numbness or tingling in the face; Swelling or ...

Other types of nasal cavity and paranasal sinus cancers. Squamous cell cancer is by far the most common, but not the only type of cancer that can develop in the nose and nasal sinuses. Adenocarcinomas ...

About a third of the patients in whom asthma develops after the age of forty also have trouble in the nose and sinuses. The relation between the two groups of symptoms and lesions is still a diffic ...

Chronic rhinosinusitis is an inflammatory disease involving the mucosa of the nose, and one or more paranasal sinuses. The cause remains poorly understood, and the treatment, an unmet need.

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 ...

Nasal polyps are fleshy swellings that develop in the lining of the nose and paranasal sinuses, which are the air-filled spaces linked to the nasal cavity. They are noncancerous growths. Polyps ...

Paranasal sinuses cancer starts in the small air-filled spaces around the nose that connect to the nasal cavity. A variety of cancers could grow in the soft tissues lining either area: ...

Another workplace exposure that can lead to nose and paranasal sinus cancer is exposure to certain chemicals. This includes chemicals such as formaldehyde, commonly used in producing plastics ...

When you complain about “sinus issues,” you’re referring to what happens in the paranasal sinuses, four pairs of spaces that drain through your nasal cavity and down the back of your throat.

You've had a stuffy nose for what feels like ages. It's gone on for more than just a few days, so you know it's not a cold. But which is it: sinusitis or allergies? They have similar symptoms, so ...

Paranasal means around or near your nose. Sinuses are spaces or small tunnels. Paranasal sinuses are small, air filled spaces within the bones of your face. They are above and behind your nose and ...