Pharyngeal scar stenosis

It is the adhesion of scars between the soft palate and the posterior pharyngeal wall, which makes the normal passage between the nasopharynx and oropharynx smaller, narrower or closed. Nasopharyngeal stenosis is often caused by scar tissue. Patients have basic anatomical structures, often caused by trauma, corrosion injury, special infections such as syphilis, leprosy, and induration. When adenoidectomy is performed, too much mucous membrane is damaged. Scar stenosis can also occur, and congenital ones are rare. Nasopharyngeal atresia is mostly a congenital developmental abnormality, which often coexists with posterior nostril atresia, which is rare in acquired patients.

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