Nasal Polyps
In some cases, polyps grow into the nasal passage. They usually originate at the sinus openings. Polyps are like teardrop-shaped collections of inflammatory cells, fluid, and tissue. They are covered by a mucous membrane. They can grow in response to infection, allergy, locations of abnormal contact, or for unknown reasons. When polyps are widespread, it is usually from some underlying mucosal abnormality.
