Chronic rhinosinusitis: This is chronic nasal and sinus irritation and inflammation that persists for at least 12 weeks. Nasal polyps: These are noncancerous (benign) soft tissue growths in your nose.

Symptoms of nasal polyps include a chronic runny or stuffy nose, postnasal drip, headaches, sinus pressure, lost or weakened sense of smell and taste, and snoring.

We don’t know exactly what causes nasal polyps, but it appears they result from long-term inflammation of sinus tissue. If your parents had nasal polyps, you are at a higher risk of developing them.

Use of a chitosan-based gel dressing after endoscopic sinus surgery (ESS) for nasal polyps was found to reduce risk of wound infection and synechia in patients, according to study findings ...

Nasal polyps are soft, painless, noncancerous growths on the lining of your nasal passages or sinuses. They hang down like teardrops or grapes. They result from chronic inflammation due to asthma ...

They result from chronic inflammation and are associated with asthma, recurring infection, allergies, drug sensitivity or certain immune disorders. Small nasal polyps may not cause symptoms.

The main symptoms of a sinus infection are nasal blockage or congestion and facial or sinus pressure. But other possible symptoms include decreased smell and discolored drainage and, less commonly, ...

Nasal polyps can cause congestion, but some habits — such as blowing your nose forcefully or trying to remove nasal polyps yourself — can make these growths much more troublesome.

In the study, nasal tissue samples of patients with CRSwNP (n = 60) and healthy controls (n = 20) were evaluated and compared, using the the nucleic acid hybridization assay, on the prevalence of ...

AuthorFrancis L.Weille, M.D. Author Info & Affiliations Published January 12, 1950 N Engl J Med 1950;242: 43 - 48 DOI: 10.1056/NEJM195001122420202 VOL. 242NO. 2 Contents Effect of Nasal and Sinus ...