![Nasal flossing': A case report of nasopharyngeal stenosis due to severe erosive lichen planus and a novel therapeutic intervention - ScienceDirect Nasal flossing': A case report of nasopharyngeal stenosis due to severe erosive lichen planus and a novel therapeutic intervention - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2210261218305066-gr3.jpg)
Nasal flossing': A case report of nasopharyngeal stenosis due to severe erosive lichen planus and a novel therapeutic intervention - ScienceDirect
![Sinusitis of the right maxillary sinus. The sinus is filled with mucus and the wall is inflamed and thickened. The different para-nasal sinuses are al Stock Photo - Alamy Sinusitis of the right maxillary sinus. The sinus is filled with mucus and the wall is inflamed and thickened. The different para-nasal sinuses are al Stock Photo - Alamy](https://c8.alamy.com/comp/2BHW5NB/sinusitis-of-the-right-maxillary-sinus-the-sinus-is-filled-with-mucus-and-the-wall-is-inflamed-and-thickened-the-different-para-nasal-sinuses-are-al-2BHW5NB.jpg)
Sinusitis of the right maxillary sinus. The sinus is filled with mucus and the wall is inflamed and thickened. The different para-nasal sinuses are al Stock Photo - Alamy
![SINUSITIS - inflammation, thickening, and swelling of the normal tissue called mucosa, which lines all the sinuses.New York City, NYU Langone Medical Center SINUSITIS - inflammation, thickening, and swelling of the normal tissue called mucosa, which lines all the sinuses.New York City, NYU Langone Medical Center](https://d1l9wtg77iuzz5.cloudfront.net/assets/6341/276949/max_width_small_sinusitis.jpg?1569257145)